Advances in Environmental Technology

Keyword Index

A

Absorption CO2 Removal from Air in a Countercurrent Rotating Packed Bed, Experimental Determination of Height of Transfer Unit [Volume 1, Issue 1, 2015, Pages 25-30]
Acacia spp Acacia trees-legumes potential for phytoremediation of urban landfill soil in Bonoua (Côte d’Ivoire) [Volume 9, Issue 1, 2023, Pages 59-71]
Acid Mine Drainage Toxic metal removal from aqueous solution by advanced Carbon allotropes: a case study from the Sungun Copper Mine [Volume 3, Issue 2, 2017, Pages 77-87]
Acid Mine Drainage Assessing the performance of horizontally flowing subsurface wetland equipped with Vetiveria zizanioides for the treatment of acid mine drainage [Volume 8, Issue 2, 2022, Pages 103-127]
Activated charcoal Xylene removal from dilute solution by palm kernel activated charcoal: Kinetics and equilibrium analysis [Volume 4, Issue 2, 2018, Pages 107-117]
Activated Sludge Hydrodynamics and mass transfer inthree-phase airlift reactors for activated Carbon and sludge filtration [Volume 2, Issue 4, 2016, Pages 179-184]
Activated Sludge Model No.1 Effect of operating parameters on the performance of wastewater treatment plant (Case study: The south of Tehran wastewater treatment) [Volume 4, Issue 4, 2018, Pages 211-221]
Adsorption Magnetite nanoparticles coated with methoxy polyethylene glycol as an efficient adsorbent of diazinon pesticide from water [Volume 2, Issue 1, 2016, Pages 25-31]
Adsorption Comparison and analysis of two natural adsorbents of Sorghum and Ziziphus nummularia pyrene for removal of Erythrosine dye from aquatic environments [Volume 2, Issue 2, 2016, Pages 71-76]
Adsorption Removal of copper (II) from aqueous solutions by adsorption onto granular activated carbon in the presence of competitor ions [Volume 2, Issue 2, 2016, Pages 85-94]
Adsorption Removal of As(V), Cr(VI) and Pb(II) from aqueous solution using surfactant-modified Sabzevar nanozeolite [Volume 2, Issue 2, 2016, Pages 105-109]
Adsorption Nanostructured Fe2O3/Al2O3 Adsorbent for removal of As (V) from water [Volume 3, Issue 2, 2017, Pages 67-75]
Adsorption Removal of copper (II) from aqueous solutions by sodium alginate/hydroxy apatite hydrogel modified by Zeolite [Volume 3, Issue 4, 2017, Pages 185-192]
Adsorption Equilibrium, kinetic and thermodynamic studies on the adsorption of thiocyanate by Steel slag in an Aqueous System [Volume 3, Issue 4, 2017, Pages 193-203]
Adsorption Thermal and chemical modification of bentonite for adsorption of an anionic dye [Volume 4, Issue 1, 2018, Pages 1-12]
Adsorption Modeling studies for adsorption of phenol and co-pollutants onto granular activated carbon prepared from olive oil industrial waste [Volume 4, Issue 1, 2018, Pages 23-40]
Adsorption Xylene removal from dilute solution by palm kernel activated charcoal: Kinetics and equilibrium analysis [Volume 4, Issue 2, 2018, Pages 107-117]
Adsorption Cadmium removal from wastewater using nano-clay/TiO2 composite: kinetics, equilibrium and thermodynamic study [Volume 4, Issue 4, 2018, Pages 203-209]
Adsorption Investigation of effective parameters on adsorption of amoxicillin from aqueous medium onto activated carbon [Volume 5, Issue 2, 2019, Pages 107-114]
Adsorption Separation of oily pollution from water and wastewater by low cost and reusable composite based on natural fibers [Volume 7, Issue 2, 2021, Pages 91-99]
Adsorption Raw and treated Avokado waste to remove Bemacid Red-ETL dye from aqueous solution: kinetics and theoretical physics modeling [Volume 8, Issue 4, 2022, Pages 311-327]
Adsorption Application and comparison of the performance of multi-wall magnetic carbon nanotubes for removing paclitaxel and gemcitabine from sewage by ‌‌‌adsorption process [Volume 9, Issue 1, 2023, Pages 33-46]
Adsorption Nitrate removal from aqueous solution: Screening of variables and optimization [Volume 9, Issue 1, 2023, Pages 73-83]
Adsorption Application of Taguchi Methodology in adsorption of Malachite Green dye using chemically enhanced Bambusa Tulda (Indian Timber Bamboo) [Volume 9, Issue 2, 2023, Pages 99-111]
Adsorption Adsorption of fluoride ions from aqueous solution by rice husk based nanocellulose [Volume 9, Issue 3, 2023, Pages 194-214]
Adsorption Adsorptive performance of sunflower seed ash as a novel biosorbent for the elimination of Congo red from aqueous solution [Volume 9, Issue 4, 2023, Pages 258-270]
Adsorption Recycling the wasted bentonite clay as a low-cost and novel adsorbent for the removal of the methylene blue dye in the aqueous solution [Volume 10, Issue 1, 2024, Pages 70-84]
Adsorption Adsorption of carmoisine and malachite green on silicon dioxide-based stones nanosized by ball milling [Volume 10, Issue 2, 2024, Pages 142-159]
Adsorption Synthesis of hydroxyapatite-zeolite from blast furnace slag and its application for the removal of copper, lead and copper-lead mixture by adsorption [Volume 10, Issue 4, 2024, Pages 339-359]
Adsorption Thermal activation and loading of Clay/TiO₂/CTAB composite: physicochemical characterization and adsorption-photodegradation of methyl orange [Volume 11, Issue 2, 2025, Pages 193-206]
Adsorption kinetic Kinetic studies of Pb and Ni adsorption onto MCM-41 amine-functionalized nano particle [Volume 1, Issue 2, 2015, Pages 101-104]
Adsorption kinetic Performance of keratin nanoparticle and its magnetic nanocomposite for Zn(II) removal from its aqueous solution [Volume 6, Issue 1, 2020, Pages 37-45]
Adsorption mechanism Adsorption of hexavalent chromium from aqueous solution using glucose-derived spherical activated carbon: The role of functional groups [Volume 12, Issue 3, 2026, Pages 308-326]
Adsorption process Phenol-Contaminated Water Treatment Using Clay Nano Particles in Continuous and Batch Process and Survey the Factors Affected [Volume 10, Issue 3, 2024, Pages 202-217]
Adsorption, Statistical physics modeling, Multi-layer model with saturation Statistical physics modeling of equilibrium adsorption of cadmium ions onto activated carbon, chitosan and chitosan/activated carbon composite [Volume 4, Issue 3, 2018, Pages 149-154]
Advanced Oxidation Process Chemical synthesis, characterization and application of nanosized ZnO in the treatment of ciprofloxacin formulated aquaculture effluent: COD, kinetics and mechanism [Volume 9, Issue 1, 2023, Pages 1-16]
Advanced Oxidation Process Degradation of patent blue V using cavity-bubble oxidation reactor induced by glass balls [Volume 9, Issue 1, 2023, Pages 17-31]
Advanced Oxidation Processes Electro-Fenton method for dye removal of agro-industrial wastewater from flower production [Volume 10, Issue 2, 2024, Pages 118-130]
Aeration Optimization of an activated sludge process equipped with a diffused aeration system: Investigating the diffuser density sensitivity [Volume 8, Issue 4, 2022, Pages 255-270]
AERMOD Assessing the environmental impact of offshore flares in the Persian Gulf: A comprehensive analysis of SO2 emissions [Volume 11, Issue 1, 2025, Pages 63-74]
AERMOD Dispersion modeling of SO2, NO2, and CO emitted from the Sahand thermal power plant using AERMOD software [Volume 12, Issue 1, 2026, Pages 89-102]
Aerobic biofilter Using biofilter aerobic reactor for optimizing the hydraulic loading rate in nitrification process for tofu-manufacturing wastewater management [Volume 10, Issue 4, 2024, Pages 326-338]
Ag+ Efficient removal of Ag+ and Cu2+ using imine-modified/mesoporous silica-coated magnetic nanoparticles [Volume 4, Issue 4, 2018, Pages 223-231]
Ag2O Photocatalytic degradation of textile dye direct orange 26 by using CoFe2O4/Ag2O [Volume 2, Issue 2, 2016, Pages 77-84]
Aggressive index (AI) Water’s corrosion and scaling potential prediction using artificial neural networks and gene expression programming in several rural water distribution networks in Kermanshah Province, Iran [Volume 11, Issue 4, 2025, Pages 396-413]
Ag Nanoparticles New Chitosan/Ag/Carbacylamidophosphate nanocomposites: Preparation and antibacterial study [Volume 3, Issue 3, 2017, Pages 151-158]
Agro-industrial wastewater Electro-Fenton method for dye removal of agro-industrial wastewater from flower production [Volume 10, Issue 2, 2024, Pages 118-130]
AHP Developing a multi-criteria decision support system based on fuzzy analytical hierarchical process (AHP) method for selection of appropriate high-strength wastewater treatment plant [Volume 5, Issue 2, 2019, Pages 99-105]
AHP Selection of the best leachate treatment method for the waste of leek fields using Analytic Hierarchy Process (AHP) [Volume 7, Issue 3, 2021, Pages 153-170]
AHP Comparison of environmental risks of drilling operations of cluster and single ring models [Volume 7, Issue 4, 2021, Pages 305-319]
Airlift Reactor Hydrodynamics and mass transfer inthree-phase airlift reactors for activated Carbon and sludge filtration [Volume 2, Issue 4, 2016, Pages 179-184]
Air pollution Analysis and zoning of air pollution in urban landscape using different models of spatial analysis (Case study: Tehran) [Volume 5, Issue 3, 2019, Pages 185-191]
Air pollution A review on H2S adsorption by metal-organic frameworks for air purification application [Volume 10, Issue 3, 2024, Pages 270-296]
Air Purification A review on H2S adsorption by metal-organic frameworks for air purification application [Volume 10, Issue 3, 2024, Pages 270-296]
Air quality Source, geochemical spreading and risks of trace metals in particulate matter 2.5 within a gas flaring area in Bayelsa State, Nigeria [Volume 7, Issue 2, 2021, Pages 101-118]
Air quality index Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
Air stripping Mass transfer coefficient of ammonia in the air stripping process for municipal wastewater: An experimental study [Volume 7, Issue 4, 2021, Pages 289-304]
Air to water ratio Mass transfer coefficient of ammonia in the air stripping process for municipal wastewater: An experimental study [Volume 7, Issue 4, 2021, Pages 289-304]
Al2O3+TiO2 Surface Ignition using ethanol on Mo and Al2O3-TiO2 coated in CI engine for environmental benefits [Volume 7, Issue 1, 2021, Pages 19-27]
Ammonia Mass transfer coefficient of ammonia in the air stripping process for municipal wastewater: An experimental study [Volume 7, Issue 4, 2021, Pages 289-304]
Amoxicillin Investigation of effective parameters on adsorption of amoxicillin from aqueous medium onto activated carbon [Volume 5, Issue 2, 2019, Pages 107-114]
Anaerobic baffled reactor Effect of hydraulic retention time (HRT) in an anaerobic baffled reactor (ABR) on the reduction of BOD and COD in slaughterhouse industrial wastewater [Volume 11, Issue 1, 2025, Pages 1-12]
Anaerobic Co-Digestion Enhancing biogas production using ultrasound-assisted thermal pretreatment technology for anaerobic co-digestion of sewage sludge and microalgae substrates [Volume 10, Issue 3, 2024, Pages 171-186]
Analytic Hierarchy Process Using boolean and fuzzy logic combined with analytic hierarchy process for hazardous waste landfill site selection: A case study from Hormozgan province, Iran [Volume 3, Issue 1, 2017, Pages 11-25]
Anodic oxidation An investigation of operating conditions on anodic oxidation of synthetic sulfide-containing wastewaters at the surface of a platinum electrode using cyclic voltammetry [Volume 4, Issue 1, 2018, Pages 61-73]
Anselin Local Moran index Using spatial statistics to identify drought-prone regions (A case study of Khuzestan Province, Iran) [Volume 7, Issue 4, 2021, Pages 231-262]
Antibacterial activity New Chitosan/Ag/Carbacylamidophosphate nanocomposites: Preparation and antibacterial study [Volume 3, Issue 3, 2017, Pages 151-158]
Antibacterial activity Photocatalytic performance and antibacterial efficacy of green synthesized MgO nanoparticles using Cymbopogan Citratus [Volume 9, Issue 3, 2023, Pages 215-226]
Antibiotic Detection of Resistant Bacteria through Molecular Identification from Traditional Ponds in Tirang Beach, Semarang, Indonesia [Volume 10, Issue 4, 2024, Pages 360-373]
Antibiotics Chemical synthesis, characterization and application of nanosized ZnO in the treatment of ciprofloxacin formulated aquaculture effluent: COD, kinetics and mechanism [Volume 9, Issue 1, 2023, Pages 1-16]
Antibiotics Synergistic Effects of Antibiotics and Nanoplastics in Wastewater: A Growing Challenge in Aquatic Ecosystem, Biodiversity and Human Health Protection [Volume 12, Issue 2, 2026, Pages 174-197]
Antimicrobial Resistance Detection of Resistant Bacteria through Molecular Identification from Traditional Ponds in Tirang Beach, Semarang, Indonesia [Volume 10, Issue 4, 2024, Pages 360-373]
Antimicrobial Resistance Synergistic Effects of Antibiotics and Nanoplastics in Wastewater: A Growing Challenge in Aquatic Ecosystem, Biodiversity and Human Health Protection [Volume 12, Issue 2, 2026, Pages 174-197]
Antimony and cadmium adsorption Green synthesis of ZIF-8 nanoparticles for the simultaneous removal of Cd (II) and Sb (III) from contaminated wastewater [Volume 11, Issue 1, 2025, Pages 75-90]
AO7 Preparation and activity evaluation of n-p CuO/CeO2ZrO2 heterojunction photocatalyst for degradation of organic azo dye in wastewater under visible light irradiation [Volume 7, Issue 2, 2021, Pages 69-78]
AOP Selection of the best leachate treatment method for the waste of leek fields using Analytic Hierarchy Process (AHP) [Volume 7, Issue 3, 2021, Pages 153-170]
ArcGIS Evaluation of seasonal variation of groundwater quality by using the correlation matrices method in Koppal Taluk, Karnataka, India [Volume 11, Issue 3, 2025, Pages 236-253]
Arsenate Nanostructured Fe2O3/Al2O3 Adsorbent for removal of As (V) from water [Volume 3, Issue 2, 2017, Pages 67-75]
Artificial neural network Response surface methodology and artificial neural network modeling of reactive red 33 decolorization by O3/UV in a bubble column reactor [Volume 2, Issue 1, 2016, Pages 33-44]
Artificial neural network Artificial Neural Network Modeling for Predicting of some Ion Concentrations in the Karaj River [Volume 3, Issue 2, 2017, Pages 109-117]
Artificial neural network Applying a network of high frequency ultrasonic transducers for removal of Reactive Red 120 dye from aqueous solution: experimental design and statistical analysis [Volume 6, Issue 1, 2020, Pages 47-59]
Artificial neural networks(ANN) Photocatalytic treatment of spent caustic wastewater in petrochemical industries [Volume 2, Issue 3, 2016, Pages 153-168]
Ash Adsorptive performance of sunflower seed ash as a novel biosorbent for the elimination of Congo red from aqueous solution [Volume 9, Issue 4, 2023, Pages 258-270]
Aspergillus flavus Bioremediation of lignocellulosic wastes of food industries by Aspergillus flavus as food and feed additive protein by solid-state fermentation process [Volume 3, Issue 3, 2017, Pages 169-175]
Aspergillus niger Comparison of three culture media for one-step and two-step bioleaching of nickel and cadmium from spent Ni-Cd batteries by Aspergillus niger [Volume 6, Issue 3, 2020, Pages 167-172]
Aspergillus niger Optimizing biogas and biofertilizer production from abundant Moroccan industrial organic wastes by the formulation and the use of a fungal inoculum [Volume 7, Issue 4, 2021, Pages 275-287]
Azo dyes Investigation of affecting operational parameters in photocatalytic degradation of reactive red 198 with TiO2: optimization through response surface methodology [Volume 2, Issue 4, 2016, Pages 169-177]

B

Bacteria Indigenous production of biosurfactant and degradation of crude oil [Volume 1, Issue 1, 2015, Pages 11-16]
Bacteria Nutrients removal from raw municipal wastewater using Chlorella vulgaris microalgae [Volume 9, Issue 1, 2023, Pages 47-57]
Bacteria Bacterial-based bioremediation: A sustainable strategy for mitigating copper and lead contamination in aquatic ecosystems [Volume 11, Issue 4, 2025, Pages 426-445]
Baffles The CO2 removal of flue gas using hollow fiber membrane contactor: a comprehensive modeling and new perspectives [Volume 7, Issue 1, 2021, Pages 47-56]
Bagasse Biosorption of styrene from synthetic wastewater by sugar cane waste(Bagass) [Volume 1, Issue 1, 2015, Pages 31-40]
Baker’s yeast wastewater Efficient treatment of baker’s yeast wastewater using aerobic membrane bioreactor [Volume 1, Issue 3, 2015, Pages 105-111]
Ball mill Methanol synthesis catalyst manufacturing using the green solid-state method [Volume 3, Issue 1, 2017, Pages 53-58]
Bangladesh Health risks assessment of heavy metal contamination in drinking water collected from different educational institutions of Khulna city corporation, Bangladesh [Volume 6, Issue 4, 2020, Pages 235-250]
Barberry bushes Biosorption of hexavalent Chromium by the agricultural wastes of the cotton and barberry plants [Volume 3, Issue 3, 2017, Pages 159-167]
Batch Study Adsorption of fluoride ions from aqueous solution by rice husk based nanocellulose [Volume 9, Issue 3, 2023, Pages 194-214]
Batch system Desorption of Reactive Red 198 from activated carbon prepared from walnut shells: effects of temperature, sodium carbonate concentration and organic solvent dose [Volume 2, Issue 3, 2016, Pages 137-141]
Batch system Recycling the wasted bentonite clay as a low-cost and novel adsorbent for the removal of the methylene blue dye in the aqueous solution [Volume 10, Issue 1, 2024, Pages 70-84]
Beet sugar Beet sugar wastewater treatment in a hybrid biological reactor: operational optimization and kinetic coefficients calculation [Volume 9, Issue 4, 2023, Pages 339-350]
Bemacid Red dye Raw and treated Avokado waste to remove Bemacid Red-ETL dye from aqueous solution: kinetics and theoretical physics modeling [Volume 8, Issue 4, 2022, Pages 311-327]
Bentazon Bentazon removal from aqueous solution by reverse osmosis; optimization of effective parameters using response surface methodology [Volume 5, Issue 4, 2019, Pages 193-201]
Bentonite Thermal and chemical modification of bentonite for adsorption of an anionic dye [Volume 4, Issue 1, 2018, Pages 1-12]
Bentonite Response surface methodology analysis of the photodegradation of methyl orange dye using synthesized TiO2/Bentonite/ZnO composites [Volume 8, Issue 1, 2022, Pages 31-46]
Bentonite clay waste Recycling the wasted bentonite clay as a low-cost and novel adsorbent for the removal of the methylene blue dye in the aqueous solution [Volume 10, Issue 1, 2024, Pages 70-84]
Bioaccumulation Synergistic Effects of Antibiotics and Nanoplastics in Wastewater: A Growing Challenge in Aquatic Ecosystem, Biodiversity and Human Health Protection [Volume 12, Issue 2, 2026, Pages 174-197]
Bioaerosols emission Assessment of bioaerosol emissions from composting application in the urban green space of Kermanshah province in Iran [Volume 6, Issue 1, 2020, Pages 61-67]
Biochar Effect of biochar on nitrogen retention in soil under corn plant inoculated with arbuscular mycorrhizal fungi [Volume 5, Issue 3, 2019, Pages 133-140]
Biochar Multi-objective optimization of pyrolysis process of Prosopis farcta under non-isothermal conditions [Volume 6, Issue 4, 2020, Pages 223-234]
Biochar Assessing the influence of particle size and dissolved organic carbon on heavy metal leaching from construction and demolition waste modified with carbon-rich materials [Volume 10, Issue 4, 2024, Pages 297-314]
Biochemical oxygen demand Kinetic modelling of moving bed biofilm sequencing batch reactor for treatment of sugar industry effluent [Volume 8, Issue 2, 2022, Pages 129-144]
Biochemical test Isolation, identification and evaluation of oil hydrocarbon decomposing bacteria from contaminated areas of oil fields [Volume 4, Issue 3, 2018, Pages 139-147]
Bioconversion Biological upgrading of heavy oil cuts using native microbial consortia as an environmental-friendly technology in petroleum refineries [Volume 8, Issue 3, 2022, Pages 215-228]
Biocracking Biological upgrading of heavy oil cuts using native microbial consortia as an environmental-friendly technology in petroleum refineries [Volume 8, Issue 3, 2022, Pages 215-228]
Biodegradation Characterization and Kinetic study of PAH–degrading Sphingopyxis ummariensis bacteria isolated from a petrochemical wastewater treatment plant [Volume 1, Issue 1, 2015, Pages 1-9]
Biodegradation Biodegradation of malathion by serratia marcescens isolated from Arvandkenar region, Iran [Volume 2, Issue 1, 2016, Pages 55-61]
Biodegradation Isolation, identification and evaluation of oil hydrocarbon decomposing bacteria from contaminated areas of oil fields [Volume 4, Issue 3, 2018, Pages 139-147]
Biodegradation A comparative study of the effect of compost/woodchips mixture, natural zeolite and zeolite/activated carbon mixture as packing materials on the biofilter performance [Volume 5, Issue 2, 2019, Pages 67-75]
Biodegradation Isolation and identification of plastic degrading bacteria from dumpsites Lagos [Volume 8, Issue 1, 2022, Pages 59-71]
Biodesulfurization Isolation and characterization of sulfur-oxidizing bacteria at the Ilam gas refinery in Iran [Volume 11, Issue 4, 2025, Pages 414-425]
Biodiesel A novel method for the synthesis of biodiesel as an eco-friendly and sustainable fuel [Volume 6, Issue 2, 2020, Pages 83-89]
Biodiesel-ethanol-diesel Investigation of emissions and performance of diesel engine with the blend of Jatropha Diesterol Fuel using response surface methodology [Volume 6, Issue 3, 2020, Pages 149-159]
Biofilter A comparative study of the effect of compost/woodchips mixture, natural zeolite and zeolite/activated carbon mixture as packing materials on the biofilter performance [Volume 5, Issue 2, 2019, Pages 67-75]
Biogas Optimizing biogas and biofertilizer production from abundant Moroccan industrial organic wastes by the formulation and the use of a fungal inoculum [Volume 7, Issue 4, 2021, Pages 275-287]
Biogas Enhancing biogas production using ultrasound-assisted thermal pretreatment technology for anaerobic co-digestion of sewage sludge and microalgae substrates [Volume 10, Issue 3, 2024, Pages 171-186]
Biogas Biogas production from restaurant waste with the addition of co-substrate variation of tofu liquid waste and cow dung [Volume 12, Issue 1, 2026, Pages 76-88]
Biokinetic coefficient Biokinetic coefficients determination of a MBR for styrene and ethylbenzene as substrate base on Andrews model [Volume 2, Issue 4, 2016, Pages 207-214]
Bioleaching Comparison of three culture media for one-step and two-step bioleaching of nickel and cadmium from spent Ni-Cd batteries by Aspergillus niger [Volume 6, Issue 3, 2020, Pages 167-172]
Biological oxygen demand Effect of hydraulic retention time (HRT) in an anaerobic baffled reactor (ABR) on the reduction of BOD and COD in slaughterhouse industrial wastewater [Volume 11, Issue 1, 2025, Pages 1-12]
Biological treatment Stirred tank reactor with dual impeller Rushton turbine for application of wastewater treatment - Process optimization and CFD simulation [Volume 9, Issue 3, 2023, Pages 174-193]
Biological upgrading Biological upgrading of heavy oil cuts using native microbial consortia as an environmental-friendly technology in petroleum refineries [Volume 8, Issue 3, 2022, Pages 215-228]
Biomass Integrating biomass into petrochemical processes: A review of feedstock options and conversion routes [Volume 11, Issue 4, 2025, Pages 460-475]
BioM, CO2 Capture Investigation and comparative analysis of materials, efficiency, and design in microbial electrolysis cells for biomethane production [Volume 11, Issue 2, 2025, Pages 130-163]
Bioremediation Bioremediation of lignocellulosic wastes of food industries by Aspergillus flavus as food and feed additive protein by solid-state fermentation process [Volume 3, Issue 3, 2017, Pages 169-175]
Bioremediation Bio-stimulation of soil enzymes using diammonium phosphate and urea fertilizer on crude oil contaminated sandy-loam soil [Volume 8, Issue 2, 2022, Pages 93-102]
Bioremediation Nanobioremediation: harnessing chemically modified and biogenic nanoparticles for environmental cleanup [Volume 11, Issue 3, 2025, Pages 300-328]
Bioremediation Bacterial-based bioremediation: A sustainable strategy for mitigating copper and lead contamination in aquatic ecosystems [Volume 11, Issue 4, 2025, Pages 426-445]
Bioremediation Exploiting Microalgae for efficient removal of heavy metals: An in-silico approach [Volume 12, Issue 2, 2026, Pages 138-173]
Biosorption Biosorption of styrene from synthetic wastewater by sugar cane waste(Bagass) [Volume 1, Issue 1, 2015, Pages 31-40]
Biosorption Application of fuzzy modeling and response surface methodology for optimization of cadmium uptake by colpomenia sinosa [Volume 6, Issue 1, 2020, Pages 31-36]
Bio-sorption Biosorption of hexavalent Chromium by the agricultural wastes of the cotton and barberry plants [Volume 3, Issue 3, 2017, Pages 159-167]
Bio-stimulation Bio-stimulation of soil enzymes using diammonium phosphate and urea fertilizer on crude oil contaminated sandy-loam soil [Volume 8, Issue 2, 2022, Pages 93-102]
Biosurfactant Indigenous production of biosurfactant and degradation of crude oil [Volume 1, Issue 1, 2015, Pages 11-16]
Blue dye Optimization and kinetic evaluation of acid blue 193 degradation by UV/peroxydisulfate oxidation using response surface methodology [Volume 1, Issue 2, 2015, Pages 59-68]
BOD Effect of influent load fluctuation on the efficiency of vertical constructed wetlands treating dairy farm wastewater [Volume 9, Issue 3, 2023, Pages 227-241]
BOD Treatment of septage using lab-scale hybrid constructed wetland system [Volume 9, Issue 4, 2023, Pages 322-328]
Borewell Study on the performance of wetlands and impact on water quality in a densely populated urban area in Amanaka, Raipur, Chhattisgarh, India [Volume 10, Issue 1, 2024, Pages 1-11]
Box–Behnken design Effect of anions interaction on the removal efficiency of nanofilters for the potable water treatment [Volume 2, Issue 4, 2016, Pages 197-205]
Brassware Investigation of the physicochemical and microbiological quality of brassware effluents: Insight into the charge of heavy metal and pollutants in wastewater from Fez, Morocco [Volume 10, Issue 1, 2024, Pages 41-54]
Breakthrough curve Investigation of effective parameters on adsorption of amoxicillin from aqueous medium onto activated carbon [Volume 5, Issue 2, 2019, Pages 107-114]
Brine wastewater Mass Transfer Study in Brine Water Treatment by Forward Osmosis Process [Volume 5, Issue 3, 2019, Pages 141-148]
Bubble column Response surface methodology and artificial neural network modeling of reactive red 33 decolorization by O3/UV in a bubble column reactor [Volume 2, Issue 1, 2016, Pages 33-44]
BWM Environmental capability assessment for MSW landfill site using geographic information system and multi criteria evaluation [Volume 10, Issue 1, 2024, Pages 29-40]

C

Ca Concentration Artificial Neural Network Modeling for Predicting of some Ion Concentrations in the Karaj River [Volume 3, Issue 2, 2017, Pages 109-117]
Cadmium Evaluation of adsorption efficiency of activated carbon/chitosan composite for removal of Cr (VI) and Cd (II) from single and bi-solute dilute solution [Volume 2, Issue 4, 2016, Pages 215-227]
Cadmium Statistical physics modeling of equilibrium adsorption of cadmium ions onto activated carbon, chitosan and chitosan/activated carbon composite [Volume 4, Issue 3, 2018, Pages 149-154]
Cadmium Cadmium removal from wastewater using nano-clay/TiO2 composite: kinetics, equilibrium and thermodynamic study [Volume 4, Issue 4, 2018, Pages 203-209]
Cadmium Sorption of cd (II) ions by chitosan modified peanut shell biochar from aqueous solution [Volume 5, Issue 4, 2019, Pages 203-211]
Cadmium Comparison of three culture media for one-step and two-step bioleaching of nickel and cadmium from spent Ni-Cd batteries by Aspergillus niger [Volume 6, Issue 3, 2020, Pages 167-172]
Cadmium Study of multi-stage cadmium adsorption by riverine sediments [Volume 6, Issue 4, 2020, Pages 211-221]
Cadmium Evaluation of the heavy metal risk potential in salts extracted from the Shorbarik River [Volume 10, Issue 2, 2024, Pages 160-169]
Cadmium uptake Application of fuzzy modeling and response surface methodology for optimization of cadmium uptake by colpomenia sinosa [Volume 6, Issue 1, 2020, Pages 31-36]
Calcium carbonate Impact of TiO2 and CaCO3 nanoparticles and their incorporation in polysulfone composite membrane on photocatalytic degradation of RB 5 [Volume 10, Issue 4, 2024, Pages 315-325]
Calcium hypochlorite (HTH) A pilot study on the removal of ammonia from aqueous solution using the integration of struvite synthesis and breakpoint chlorination [Volume 9, Issue 2, 2023, Pages 85-97]
Canola Oil BioDiesel Performance, combustion, and emission characteristics of direct injection diesel engine fueled with ZnO dispersed canola oil biodiesel [Volume 8, Issue 2, 2022, Pages 159-168]
Carbacylamidophosphate New Chitosan/Ag/Carbacylamidophosphate nanocomposites: Preparation and antibacterial study [Volume 3, Issue 3, 2017, Pages 151-158]
Carbon Dioxide CO2 Removal from Air in a Countercurrent Rotating Packed Bed, Experimental Determination of Height of Transfer Unit [Volume 1, Issue 1, 2015, Pages 25-30]
Carbon Dioxide The simultaneous effect of graphene oxide and sodium dodecyl sulphate nanoparticles on the kinetics of CO2 absorption in amine [Volume 4, Issue 3, 2018, Pages 163-174]
Carbon Dioxide (CO2) Emissions Relationship between CO2 and Iran's economic growth with an emphasis on household welfare index (an economy with oil and economy without oil) [Volume 6, Issue 2, 2020, Pages 119-130]
Carbon emissions A numerical study for gas–solid reactions in a microwave-based system: Kinetic and environmental aspects [Volume 12, Issue 3, 2026, Pages 360-374]
Carbon monoxide Dispersion modeling of SO2, NO2, and CO emitted from the Sahand thermal power plant using AERMOD software [Volume 12, Issue 1, 2026, Pages 89-102]
Carcinogenic risk Evaluation of the heavy metal risk potential in salts extracted from the Shorbarik River [Volume 10, Issue 2, 2024, Pages 160-169]
Carpet Washing A feasible treatment of carpet-washing wastewater through the electro-fenton process: optimization using response surface methodology [Volume 10, Issue 4, 2024, Pages 374-387]
Carrier, Crude oil Biodegradation of hydrocarbon by bacteria isolated from crude oil contaminated soil [Volume 7, Issue 2, 2021, Pages 57-67]
Catalyst Evaluation of LaBO3 (B=Mn, Cr, Mn0.5Cr0.5) perovskites in catalytic oxidation of trichloroethylene [Volume 5, Issue 1, 2019, Pages 1-8]
Catalyst Removal of pharmaceutical pollutants from aquatic environments using heterogeneous photocatalysis [Volume 8, Issue 4, 2022, Pages 271-278]
Catalyst Recycling Treatment of the spent caustic wastewater using g-C3N4/CeFeO3 nanocomposites in a Taylor–Couette photocatalytic reactor [Volume 11, Issue 3, 2025, Pages 341-356]
Catalytic cracking Optimization of La-Ce/HZSM-5 catalyst for thermal catalytic cracking of naphtha to light olefins to save energy and reduce CO2 emission [Volume 9, Issue 4, 2023, Pages 310-321]
Cationic surfactant Removal of As(V), Cr(VI) and Pb(II) from aqueous solution using surfactant-modified Sabzevar nanozeolite [Volume 2, Issue 2, 2016, Pages 105-109]
Cavitation Degradation of patent blue V using cavity-bubble oxidation reactor induced by glass balls [Volume 9, Issue 1, 2023, Pages 17-31]
CCD Industrial wastewater management Integration of MBBR process with electrocoagulation treatment: An optimization by response surface method [Volume 11, Issue 4, 2025, Pages 246-259]
Cement production Environmental risk assessment and source apportionment of heavy metals in soils and natural plants surrounding a cement factory in NE Iran [Volume 5, Issue 4, 2019, Pages 221-227]
CFD Investigation of dissipation flow in the urban Canyon [Volume 1, Issue 3, 2015, Pages 113-120]
CFD Three-dimensional simulation of microcapillary and microchannel photo reactors for organic pollutant degradation from contaminated water using computational fluid dynamics [Volume 5, Issue 4, 2019, Pages 229-237]
Chemical cleaning Investigation of thecontrol of the fat, oil and grease in sewer lines and their removal by surfactant treatment [Volume 4, Issue 3, 2018, Pages 155-161]
Chemical oxygen demand (COD) Investigation of the biodegradability of pendimethalin by Bacillus subtilis, Pseudomonas fluorescens, and Escherichia coli [Volume 7, Issue 4, 2021, Pages 221-229]
Chemical oxygen demand (COD) Optimization of fermented rice noodle wastewater treatment using effective microorganisms (EM) [Volume 12, Issue 3, 2026, Pages 274-290]
Chemical regenerator Optimization of chemical regeneration procedures of spent activated carbon [Volume 3, Issue 1, 2017, Pages 45-51]
Chernaya River Concentration, composition, and genesis of hydrocarbons in bottom sediments of the Chernaya River estuarine zone (Sevastopol, the Black Sea) [Volume 9, Issue 2, 2023, Pages 138-152]
Chitosan Evaluation of adsorption efficiency of activated carbon/chitosan composite for removal of Cr (VI) and Cd (II) from single and bi-solute dilute solution [Volume 2, Issue 4, 2016, Pages 215-227]
Chitosan Chitosan supported bimetallic Pd/Co nanoparticles as a heterogeneous catalyst for the reduction of nitroaromatics to amines [Volume 3, Issue 1, 2017, Pages 59-65]
Chitosan New Chitosan/Ag/Carbacylamidophosphate nanocomposites: Preparation and antibacterial study [Volume 3, Issue 3, 2017, Pages 151-158]
Chitosan Sorption of cd (II) ions by chitosan modified peanut shell biochar from aqueous solution [Volume 5, Issue 4, 2019, Pages 203-211]
Chitosan Cu removal from wastewater using a polyethersulfone- graphene oxide nanoparticles functionalized with chitosan membrane [Volume 11, Issue 3, 2025, Pages 329-340]
Chlorella vulgaris Predictive modeling of biomass production by Chlorella vulgaris in a draft-tube airlift photobioreactor [Volume 2, Issue 3, 2016, Pages 119-126]
Chlorella vulgaris Nutrients removal from raw municipal wastewater using Chlorella vulgaris microalgae [Volume 9, Issue 1, 2023, Pages 47-57]
Chlorine gas Analysis of Chlorine Gas Incident Simulation and Dispersion Within a Complex and Populated Urban Area Via Computation Fluid Dynamics [Volume 1, Issue 1, 2015, Pages 49-58]
Chloroalkanes C10-C13 Development and validation of a gas chromatography-tandem mass spectrometry analytical method for the monitoring of ultra-traces of priority substances in surface waters [Volume 6, Issue 2, 2020, Pages 69-81]
Chlorobenzene Compounds Ordered nanoporous carbon (CMK-3) coated fiber for solid-phase microextraction of benzene and chlorobenzenes in water samples [Volume 4, Issue 1, 2018, Pages 13-22]
Chromium Evaluation of adsorption efficiency of activated carbon/chitosan composite for removal of Cr (VI) and Cd (II) from single and bi-solute dilute solution [Volume 2, Issue 4, 2016, Pages 215-227]
Chromophore structure The impact of annealing temperature on photocatalytic degradation performance of rhodamine B by montmorillonite/zinc-oxide nanocomposite [Volume 10, Issue 3, 2024, Pages 187-201]
Clathrate hydrate Thermodynamic study of CO2 hydrate formation in the presence of SDS and graphene oxide nanoparticles [Volume 4, Issue 4, 2018, Pages 233-240]
Clay Thermal activation and loading of Clay/TiO₂/CTAB composite: physicochemical characterization and adsorption-photodegradation of methyl orange [Volume 11, Issue 2, 2025, Pages 193-206]
Clay Beads Titanium dioxide Sol–Gel/Zinc oxide Sol–Gel and Titanium dioxide Sol–Gel/powdered Zinc Oxide-coated clay beads in photocatalytic reactor [Volume 12, Issue 3, 2026, Pages 328-340]
Climate Change Evaluation of some regression models in the prediction of dissolved oxygen and water temperature of the Jarreh Dam, Iran [Volume 11, Issue 2, 2025, Pages 220-235]
Clinoptilolite Studies on optimization of efficient parameters for removal of lead from aqueous solutions by natural zeolite as a low-cost adsorbent using response surface methodology [Volume 3, Issue 2, 2017, Pages 99-108]
Clinoptilolite Zeolite-Silver Degradation of Diazinon from aqueous solution using Silver-modified Clinoptilolite Zeolite in photocatalytic process [Volume 4, Issue 3, 2018, Pages 175-182]
Cluster analysis Analysis of physiochemical and microbial quality of waters of the Karkheh River in southwestern Iran using multivariate statistical methods [Volume 4, Issue 2, 2018, Pages 75-81]
Cluster well drilling Comparison of environmental risks of drilling operations of cluster and single ring models [Volume 7, Issue 4, 2021, Pages 305-319]
CMB Characterisation and source apportionment of atmospheric particulate matter in an industrial cluster of Western India [Volume 9, Issue 3, 2023, Pages 242-257]
CO2 capture The CO2 removal of flue gas using hollow fiber membrane contactor: a comprehensive modeling and new perspectives [Volume 7, Issue 1, 2021, Pages 47-56]
CO2, Photobioreactor Predictive modeling of biomass production by Chlorella vulgaris in a draft-tube airlift photobioreactor [Volume 2, Issue 3, 2016, Pages 119-126]
Coagulation Studying Effect of Water Quality Parameters on Coagulation Efficiency by Moringa Oleifera Seeds [Volume 1, Issue 1, 2015, Pages 41-47]
Coagulation Removal of Anionic Surfactant from Residential Laundry Wastewater using Jackfruit (Artocarpus heterophyllus) seeds [Volume 5, Issue 1, 2019, Pages 47-53]
Coagulation Moringa oleifera seeds powder as an alternative coagulant for beet sugar juice samples instead of lead acetate [Volume 6, Issue 3, 2020, Pages 139-148]
COD Developing a multi-criteria decision support system based on fuzzy analytical hierarchical process (AHP) method for selection of appropriate high-strength wastewater treatment plant [Volume 5, Issue 2, 2019, Pages 99-105]
COD Reduction Treatment of the spent caustic wastewater using g-C3N4/CeFeO3 nanocomposites in a Taylor–Couette photocatalytic reactor [Volume 11, Issue 3, 2025, Pages 341-356]
COD removal Investigating microbial fuel cell performance by developing salt bridge from agar and activated carbon derived from pine cones [Volume 11, Issue 2, 2025, Pages 116-129]
CoFe2O4 Photocatalytic degradation of textile dye direct orange 26 by using CoFe2O4/Ag2O [Volume 2, Issue 2, 2016, Pages 77-84]
Coke inhibitor Using disulfide oil as coke inhibitor to reduce environmental hazards in olefin heaters [Volume 4, Issue 3, 2018, Pages 183-186]
Cold Plasma Assessment of anti-bacterial activity of non-thermal plasma in sterilization of infectious wastes [Volume 4, Issue 4, 2018, Pages 197-202]
Color removal Optimization and kinetic evaluation of acid blue 193 degradation by UV/peroxydisulfate oxidation using response surface methodology [Volume 1, Issue 2, 2015, Pages 59-68]
Color removal Electro-Fenton method for dye removal of agro-industrial wastewater from flower production [Volume 10, Issue 2, 2024, Pages 118-130]
Comparative adsorption A comparative study of Cu(П) and Pb(П) adsorption by Iranian bentonite (Birjand area) in aqueous solutions [Volume 1, Issue 2, 2015, Pages 93-100]
Competitor ion Removal of copper (II) from aqueous solutions by adsorption onto granular activated carbon in the presence of competitor ions [Volume 2, Issue 2, 2016, Pages 85-94]
Composite Evaluation of adsorption efficiency of activated carbon/chitosan composite for removal of Cr (VI) and Cd (II) from single and bi-solute dilute solution [Volume 2, Issue 4, 2016, Pages 215-227]
Composite electrode An experimental study on the effect of composite electrode on the membrane- assisted electrode in CDI and MCDI processes towards nitrate ion selectivity [Volume 8, Issue 3, 2022, Pages 185-201]
Compost Assessment of bioaerosol emissions from composting application in the urban green space of Kermanshah province in Iran [Volume 6, Issue 1, 2020, Pages 61-67]
Computational Fluid Dynamic Analysis of Chlorine Gas Incident Simulation and Dispersion Within a Complex and Populated Urban Area Via Computation Fluid Dynamics [Volume 1, Issue 1, 2015, Pages 49-58]
Computational study Exploiting Microalgae for efficient removal of heavy metals: An in-silico approach [Volume 12, Issue 2, 2026, Pages 138-173]
Computer-aided design Machine learning-driven advances in polymer membrane science: Emerging trends and future directions [Volume 12, Issue 1, 2026, Pages 32-62]
Configurations hydrodynamics Stirred tank reactor with dual impeller Rushton turbine for application of wastewater treatment - Process optimization and CFD simulation [Volume 9, Issue 3, 2023, Pages 174-193]
Congo red Thermal and chemical modification of bentonite for adsorption of an anionic dye [Volume 4, Issue 1, 2018, Pages 1-12]
Congo red dye Adsorptive performance of sunflower seed ash as a novel biosorbent for the elimination of Congo red from aqueous solution [Volume 9, Issue 4, 2023, Pages 258-270]
Constructed wetland Fuzzy modelling for power generation in constructed wetland-microbial fuel cell during sewage water treatment [Volume 12, Issue 2, 2026, Pages 207-219]
Constructed wetland modes Eco-friendly solutions for urban wastewater: evaluating constructed wetlands and filtration methods [Volume 11, Issue 2, 2025, Pages 182-194]
Constructed wetlands Performance evaluation and numerical simulation of vertical subsurface flow constructed wetlands in wastewater treatment [Volume 7, Issue 1, 2021, Pages 37-46]
Construction and Demolition Waste Assessing the influence of particle size and dissolved organic carbon on heavy metal leaching from construction and demolition waste modified with carbon-rich materials [Volume 10, Issue 4, 2024, Pages 297-314]
Construction phase Analysis of Occupational Hazards and Lateral Environmental Pollution in the Construction Phase of Yadavaran Oil Field [Volume 5, Issue 4, 2019, Pages 239-249]
Contaminated air A comparative study of the effect of compost/woodchips mixture, natural zeolite and zeolite/activated carbon mixture as packing materials on the biofilter performance [Volume 5, Issue 2, 2019, Pages 67-75]
Contaminated soils Isolation, identification and evaluation of oil hydrocarbon decomposing bacteria from contaminated areas of oil fields [Volume 4, Issue 3, 2018, Pages 139-147]
Contamination Indices Multivariate and Statistical Approaches for the Source Apportionment and Evaluation of Trace Elements Pollution at Mining Areas (Case study: Mehdi Abad Pb/Zn mine) [Volume 6, Issue 1, 2020, Pages 19-30]
Continuous electro-Fenton process Effect of mass transport limitation and pyrite particulate on the continuous electro-Fenton process treatment of textile industrial dyek [Volume 8, Issue 4, 2022, Pages 279-292]
Continuous system Desorption of Reactive Red 198 from activated carbon prepared from walnut shells: effects of temperature, sodium carbonate concentration and organic solvent dose [Volume 2, Issue 3, 2016, Pages 137-141]
Control program Investigation of thecontrol of the fat, oil and grease in sewer lines and their removal by surfactant treatment [Volume 4, Issue 3, 2018, Pages 155-161]
Co-pollutants Modeling studies for adsorption of phenol and co-pollutants onto granular activated carbon prepared from olive oil industrial waste [Volume 4, Issue 1, 2018, Pages 23-40]
Copper Removal of copper (II) from aqueous solutions by adsorption onto granular activated carbon in the presence of competitor ions [Volume 2, Issue 2, 2016, Pages 85-94]
Copper Removal of copper (II) from aqueous solutions by sodium alginate/hydroxy apatite hydrogel modified by Zeolite [Volume 3, Issue 4, 2017, Pages 185-192]
Copper Synthesis of hydroxyapatite-zeolite from blast furnace slag and its application for the removal of copper, lead and copper-lead mixture by adsorption [Volume 10, Issue 4, 2024, Pages 339-359]
Copper Bacterial-based bioremediation: A sustainable strategy for mitigating copper and lead contamination in aquatic ecosystems [Volume 11, Issue 4, 2025, Pages 426-445]
Copper Ion Removal of Copper (II) Ion by Functionalized Graphene Oxide Nano Adsorbent from Wastewater Sample [(Articles in Press)]
Copper nanoparticles Cu decorated multiwalled carbon nanotubes: Application to electrocatalytic oxidation and determination of 4-nitrophenol in river water samples by square-wave voltammetry [Volume 4, Issue 1, 2018, Pages 51-60]
Core-shell magnetic nanostructure Photocatalytic degradation of methylene blue from aqueous solution using Fe3O4@SiO2@CeO2 core-shell magnetic nanostructure as an effective catalyst [Volume 5, Issue 2, 2019, Pages 127-132]
Co-Solvent A novel method for the synthesis of biodiesel as an eco-friendly and sustainable fuel [Volume 6, Issue 2, 2020, Pages 83-89]
Cotton plant Biosorption of hexavalent Chromium by the agricultural wastes of the cotton and barberry plants [Volume 3, Issue 3, 2017, Pages 159-167]
Counter map Application of fuzzy modeling and response surface methodology for optimization of cadmium uptake by colpomenia sinosa [Volume 6, Issue 1, 2020, Pages 31-36]
Crude oil Indigenous production of biosurfactant and degradation of crude oil [Volume 1, Issue 1, 2015, Pages 11-16]
Crude oil pollution Bio-stimulation of soil enzymes using diammonium phosphate and urea fertilizer on crude oil contaminated sandy-loam soil [Volume 8, Issue 2, 2022, Pages 93-102]
CTAB Thermal activation and loading of Clay/TiO₂/CTAB composite: physicochemical characterization and adsorption-photodegradation of methyl orange [Volume 11, Issue 2, 2025, Pages 193-206]
Cu2+ Efficient removal of Ag+ and Cu2+ using imine-modified/mesoporous silica-coated magnetic nanoparticles [Volume 4, Issue 4, 2018, Pages 223-231]
Cu2Cr-LDH Highly efficient sunlight-powered photocatalytic degradation of rhodamine B using Cu2Cr-LDH/TiO2 and Cu2Cr-LDH/BiOCl semiconductor nanocomposites [Volume 12, Issue 3, 2026, Pages 291-307]
Cu(II) Sorption of Cu(II), Zn(II) and Ni(II) from aqueous solution using activated carbon prepared from olive stone waste [Volume 1, Issue 3, 2015, Pages 147-161]
Cu(II) and Pb(II) removal A comparative study of Cu(П) and Pb(П) adsorption by Iranian bentonite (Birjand area) in aqueous solutions [Volume 1, Issue 2, 2015, Pages 93-100]
Cu(II) removal Keratin nanoparticles: synthesis and application for Cu(II) removal [Volume 4, Issue 2, 2018, Pages 83-93]
Cultivation Detection of Resistant Bacteria through Molecular Identification from Traditional Ponds in Tirang Beach, Semarang, Indonesia [Volume 10, Issue 4, 2024, Pages 360-373]
CuO doped ZnO Preparation and characterizations of CuO doped ZnO nano-structure for the photocatalytic degradation of 4-chlorophenol under visible light [Volume 2, Issue 1, 2016, Pages 11-24]
CuO/α-Fe2O3 Synthesis, characterization and degradation activity of Methyl orange Azo dye using synthesized CuO/α-Fe2O3 nanocomposite [Volume 2, Issue 3, 2016, Pages 143-151]
Current Investigating microbial fuel cell performance by developing salt bridge from agar and activated carbon derived from pine cones [Volume 11, Issue 2, 2025, Pages 116-129]
Cyclic voltammetry An investigation of operating conditions on anodic oxidation of synthetic sulfide-containing wastewaters at the surface of a platinum electrode using cyclic voltammetry [Volume 4, Issue 1, 2018, Pages 61-73]

D

Decolorization Preparation of Kissiris/TiO2/Fe3O4/GOx Biocatalyst: Feasibility study of MG decolorization [Volume 2, Issue 3, 2016, Pages 111-117]
Decolorization The optimization of reactive black 5 dye removal using Coprinus cinereus peroxidase (CIP) [Volume 10, Issue 2, 2024, Pages 85-101]
Defluoridation Adsorption of fluoride ions from aqueous solution by rice husk based nanocellulose [Volume 9, Issue 3, 2023, Pages 194-214]
Degradation Photocatalytic degradation of textile dye direct orange 26 by using CoFe2O4/Ag2O [Volume 2, Issue 2, 2016, Pages 77-84]
Degradation Sorption, degradation and leaching of pesticides in soils amended with organic matter: A review [Volume 3, Issue 2, 2017, Pages 119-132]
Degradation Degradation of azo dyes using hydrodynamic cavitation and external oxidants [Volume 10, Issue 1, 2024, Pages 55-69]
Degradation efficiency Sonocatalysis degradation of methyl orange using zinc sulfide carbon nanotubes nanocatalyst [Volume 3, Issue 4, 2017, Pages 243-248]
Deposited Dust Multivariate and Statistical Approaches for the Source Apportionment and Evaluation of Trace Elements Pollution at Mining Areas (Case study: Mehdi Abad Pb/Zn mine) [Volume 6, Issue 1, 2020, Pages 19-30]
Desalination Vertically aligned carbon nanotube membrane: synthesis, characterization and application in salt water desalination [Volume 6, Issue 3, 2020, Pages 173-189]
Design of experiment (DOE) Photocatalytic treatment of spent caustic wastewater in petrochemical industries [Volume 2, Issue 3, 2016, Pages 153-168]
Desorption Desorption of Reactive Red 198 from activated carbon prepared from walnut shells: effects of temperature, sodium carbonate concentration and organic solvent dose [Volume 2, Issue 3, 2016, Pages 137-141]
Desulfurization Electrochemical hydrogenation and desulfurization of thiophenic compounds over MoS2 electrocatalyst using different membrane-electrode assembly [Volume 5, Issue 1, 2019, Pages 23-33]
Diazinon Degradation of Diazinon from aqueous solution using Silver-modified Clinoptilolite Zeolite in photocatalytic process [Volume 4, Issue 3, 2018, Pages 175-182]
Dicofol Study on the degradation of dicofol via electrochemical oxidation process: simulation and validation [Volume 8, Issue 1, 2022, Pages 1-14]
Dielectric barrier discharge Assessment of anti-bacterial activity of non-thermal plasma in sterilization of infectious wastes [Volume 4, Issue 4, 2018, Pages 197-202]
Diffuser Optimization of an activated sludge process equipped with a diffused aeration system: Investigating the diffuser density sensitivity [Volume 8, Issue 4, 2022, Pages 255-270]
Digestate Optimizing biogas and biofertilizer production from abundant Moroccan industrial organic wastes by the formulation and the use of a fungal inoculum [Volume 7, Issue 4, 2021, Pages 275-287]
Dinitroaniline herbicides Investigation of the biodegradability of pendimethalin by Bacillus subtilis, Pseudomonas fluorescens, and Escherichia coli [Volume 7, Issue 4, 2021, Pages 221-229]
Direct Red 23 Metal-organic framework based on iron doping: Green synthesis and sustainable adsorbent for anionic dye contaminated water [Volume 12, Issue 3, 2026, Pages 256-273]
Direct Red 81 Reusability, optimization, and adsorption studies of modified graphene oxide in the removal of Direct Red 81 using response surface methodology [Volume 6, Issue 4, 2020, Pages 175-185]
Disposal Environmental Impact Assessment of Solid Waste Disposal Options in Touristic Islands [Volume 5, Issue 2, 2019, Pages 115-125]
Dissolved air flotation Modeling and optimization of oil refinery wastewater chemical oxygen demand removal in dissolved air flotation system by response surface methodology [Volume 1, Issue 3, 2015, Pages 129-135]
Dissolved Oxygen Concentration Effect of operating parameters on the performance of wastewater treatment plant (Case study: The south of Tehran wastewater treatment) [Volume 4, Issue 4, 2018, Pages 211-221]
Disulfide oil Using disulfide oil as coke inhibitor to reduce environmental hazards in olefin heaters [Volume 4, Issue 3, 2018, Pages 183-186]
DME Fuel Modification of piston bowl geometry and injection strategy, and investigation of EGR composition for a DME-burning direct injection engine [Volume 3, Issue 1, 2017, Pages 1-10]
D-optimal experimental design Hardness and chloride removal in dewatering system: Modeling and optimization of electrochemical reaction [Volume 6, Issue 4, 2020, Pages 251-265]
Drinking water Health risks assessment of heavy metal contamination in drinking water collected from different educational institutions of Khulna city corporation, Bangladesh [Volume 6, Issue 4, 2020, Pages 235-250]
Drinking water Drinking water quality assessment using water quality index: A case study of the Shahrekord, Iran [Volume 12, Issue 2, 2026, Pages 198-207]
Drinking water treatment Facile synthesis of Ca-(OH)2-Mg nanocomposite and its applications for the removal of manganese from drinking water: A pilot study [Volume 10, Issue 1, 2024, Pages 12-28]
Durgapur Assessing vulnerability of a solid waste management system through GIS and the Rank Sum method: A case study of Durgapur city, India [Volume 11, Issue 1, 2025, Pages 36-62]
Dye Desorption of Reactive Red 198 from activated carbon prepared from walnut shells: effects of temperature, sodium carbonate concentration and organic solvent dose [Volume 2, Issue 3, 2016, Pages 137-141]
Dye Remova Metal-organic framework based on iron doping: Green synthesis and sustainable adsorbent for anionic dye contaminated water [Volume 12, Issue 3, 2026, Pages 256-273]

E

East coast of Bay of Bengal Spatio Seasonal Discrepancies in the Physico-chemical Parameters along the Surface Water of Gahirmatha Estuary, East Coast of India in the Bay of Bengal [Volume 5, Issue 3, 2019, Pages 171-183]
Ecological risk Source, geochemical spreading and risks of trace metals in particulate matter 2.5 within a gas flaring area in Bayelsa State, Nigeria [Volume 7, Issue 2, 2021, Pages 101-118]
Ecological risk Evaluation of the heavy metal risk potential in salts extracted from the Shorbarik River [Volume 10, Issue 2, 2024, Pages 160-169]
Economic Growth Relationship between CO2 and Iran's economic growth with an emphasis on household welfare index (an economy with oil and economy without oil) [Volume 6, Issue 2, 2020, Pages 119-130]
Economic index Environmental study of waste energy recovery by using exergy and economic analysis in a fluid catalytic cracking unit [Volume 3, Issue 4, 2017, Pages 229-242]
Effective Microorganisms (EM) Optimization of fermented rice noodle wastewater treatment using effective microorganisms (EM) [Volume 12, Issue 3, 2026, Pages 274-290]
EGR Environmental effects of using Methanol as a biofuel into the combustion chamber of a heavy-duty diesel engine [Volume 2, Issue 1, 2016, Pages 1-10]
EGR Comparison and analysis of two natural adsorbents of Sorghum and Ziziphus nummularia pyrene for removal of Erythrosine dye from aquatic environments [Volume 2, Issue 2, 2016, Pages 71-76]
EGR Modification of piston bowl geometry and injection strategy, and investigation of EGR composition for a DME-burning direct injection engine [Volume 3, Issue 1, 2017, Pages 1-10]
Electric field Study of the performance of bench-scale electro-membranes bioreactor in leachate treatment [Volume 7, Issue 3, 2021, Pages 209-220]
Electrochemical oxidation An investigation of operating conditions on anodic oxidation of synthetic sulfide-containing wastewaters at the surface of a platinum electrode using cyclic voltammetry [Volume 4, Issue 1, 2018, Pages 61-73]
Electrochemical Oxidation/Reduction Catalytic degradation of ammonia and nitrate from wastewater - A critical review [Volume 8, Issue 3, 2022, Pages 239-253]
Electrochemical process Study on the degradation of dicofol via electrochemical oxidation process: simulation and validation [Volume 8, Issue 1, 2022, Pages 1-14]
Electrocoagulation Hardness and chloride removal in dewatering system: Modeling and optimization of electrochemical reaction [Volume 6, Issue 4, 2020, Pages 251-265]
Electrocoagulation Treatment of wastewater by a combined technique of adsorption, electrocoagulation followed by membrane separation [Volume 7, Issue 3, 2021, Pages 171-183]
Electro Fenton Electro-Fenton method for dye removal of agro-industrial wastewater from flower production [Volume 10, Issue 2, 2024, Pages 118-130]
Electro-Fenton A feasible treatment of carpet-washing wastewater through the electro-fenton process: optimization using response surface methodology [Volume 10, Issue 4, 2024, Pages 374-387]
Electro MBR Study of the performance of bench-scale electro-membranes bioreactor in leachate treatment [Volume 7, Issue 3, 2021, Pages 209-220]
Electromethanogenesis Investigation and comparative analysis of materials, efficiency, and design in microbial electrolysis cells for biomethane production [Volume 11, Issue 2, 2025, Pages 130-163]
Electron Transfer Mechanism Investigation and comparative analysis of materials, efficiency, and design in microbial electrolysis cells for biomethane production [Volume 11, Issue 2, 2025, Pages 130-163]
Electrosorption An experimental study on the effect of composite electrode on the membrane- assisted electrode in CDI and MCDI processes towards nitrate ion selectivity [Volume 8, Issue 3, 2022, Pages 185-201]
Electrospinning Investigation of photocatalytic degradation of 2,4-dichlorophenol by heat treated Fe3O4/TiO2/Ag loaded polycaprolactone/polyethylenglycole electrospun nanofibers [Volume 8, Issue 3, 2022, Pages 169-183]
EM4 Synergistic integration of Kayu apu (Pistia stratiotes) and EM4 for sustainable landfill leachate treatment: A green approach to pollutant reduction [Volume 12, Issue 1, 2026, Pages 123-137]
Emerging Challenges An in-depth review of sustainable technologies for heavy metal removal from industrial wastewater: Current approaches and prospective challenges [Volume 12, Issue 1, 2026, Pages 1-31]
Emission Investigation of emissions and performance of diesel engine with the blend of Jatropha Diesterol Fuel using response surface methodology [Volume 6, Issue 3, 2020, Pages 149-159]
Emission Performance, combustion, and emission characteristics of direct injection diesel engine fueled with ZnO dispersed canola oil biodiesel [Volume 8, Issue 2, 2022, Pages 159-168]
Emissions control A technical and economic assessment of fuel oil hydrotreating technology for steam power plant SO2 and NOx emissions control [Volume 2, Issue 1, 2016, Pages 45-54]
Endomycorrhizae Impact of phosphorus amendments on cadmium uptake by sunflower inoculated with Rhizophagus irregularis mycorrhizae in a contaminated soil [Volume 8, Issue 3, 2022, Pages 203-213]
Energy integration Environmental sustainability enhancement of a petroleum refinery through heat exchanger network retrofitting and renewable energy [Volume 3, Issue 4, 2017, Pages 217-227]
Enrofloxacin degradation Easy one-pot synthesis of Zinc Ferrite@Graphitic Carbon Nitride for combined adsorption and photocatalytic degradation of enrofloxacin under visible light [Volume 11, Issue 3, 2025, Pages 254-265]
Envi-met Investigation of dissipation flow in the urban Canyon [Volume 1, Issue 3, 2015, Pages 113-120]
Environmental capability assessment Environmental capability assessment for MSW landfill site using geographic information system and multi criteria evaluation [Volume 10, Issue 1, 2024, Pages 29-40]
Environmental hazards Using disulfide oil as coke inhibitor to reduce environmental hazards in olefin heaters [Volume 4, Issue 3, 2018, Pages 183-186]
Environmental health Source, geochemical spreading and risks of trace metals in particulate matter 2.5 within a gas flaring area in Bayelsa State, Nigeria [Volume 7, Issue 2, 2021, Pages 101-118]
Environmental health Synergistic Effects of Antibiotics and Nanoplastics in Wastewater: A Growing Challenge in Aquatic Ecosystem, Biodiversity and Human Health Protection [Volume 12, Issue 2, 2026, Pages 174-197]
Environmental impact assessment Environmental Impact Assessment of Solid Waste Disposal Options in Touristic Islands [Volume 5, Issue 2, 2019, Pages 115-125]
Environmental indicators Assessing the effects of wheat flour production on the environment [Volume 6, Issue 2, 2020, Pages 111-117]
Environmental Remediation Integrating biomass into petrochemical processes: A review of feedstock options and conversion routes [Volume 11, Issue 4, 2025, Pages 460-475]
Environmental risk Comparison of environmental risks of drilling operations of cluster and single ring models [Volume 7, Issue 4, 2021, Pages 305-319]
Environmental sustainability Environmental sustainability enhancement of a petroleum refinery through heat exchanger network retrofitting and renewable energy [Volume 3, Issue 4, 2017, Pages 217-227]
Esterification Modeling of esterification in a batch reactor coupled with pervaporation for production of ethyl acetate catalyzed by ion- exchange resins [Volume 1, Issue 2, 2015, Pages 69-75]
Estuarine water body Spatio Seasonal Discrepancies in the Physico-chemical Parameters along the Surface Water of Gahirmatha Estuary, East Coast of India in the Bay of Bengal [Volume 5, Issue 3, 2019, Pages 171-183]
Ethyl acetate Modeling of esterification in a batch reactor coupled with pervaporation for production of ethyl acetate catalyzed by ion- exchange resins [Volume 1, Issue 2, 2015, Pages 69-75]
Eulerian-Lagrangian model Numerical simulation of turbulent water-solid-particle flows to predict the solid deposition process and the velocity distribution of water in sewage pipes [Volume 9, Issue 4, 2023, Pages 294-309]
Exergy Environmental sustainability enhancement of a petroleum refinery through heat exchanger network retrofitting and renewable energy [Volume 3, Issue 4, 2017, Pages 217-227]
Exergy analysis Environmental study of waste energy recovery by using exergy and economic analysis in a fluid catalytic cracking unit [Volume 3, Issue 4, 2017, Pages 229-242]
Exhaust emissions Environmental effects of using Methanol as a biofuel into the combustion chamber of a heavy-duty diesel engine [Volume 2, Issue 1, 2016, Pages 1-10]
Exhaust emissions Comparison and analysis of two natural adsorbents of Sorghum and Ziziphus nummularia pyrene for removal of Erythrosine dye from aquatic environments [Volume 2, Issue 2, 2016, Pages 71-76]
Exposure A review on H2S adsorption by metal-organic frameworks for air purification application [Volume 10, Issue 3, 2024, Pages 270-296]
External loop airlift reactor CFD with the Population Balance Model for Packed Bed Airlift Reactor with External Loop [Volume 10, Issue 3, 2024, Pages 237-269]

F

Factorial Equilibrium, kinetic and thermodynamic studies on the adsorption of thiocyanate by Steel slag in an Aqueous System [Volume 3, Issue 4, 2017, Pages 193-203]
FAHP Providing a practical Model of the Waste Management Master Plan with Emphasis on Public Participation “Using the SWOT method and the QSPM matrix and the FAHP method” [Volume 5, Issue 2, 2019, Pages 77-96]
Fat Oil and Grease Investigation of thecontrol of the fat, oil and grease in sewer lines and their removal by surfactant treatment [Volume 4, Issue 3, 2018, Pages 155-161]
Fe2O3/Al2O3 Nanostructured Fe2O3/Al2O3 Adsorbent for removal of As (V) from water [Volume 3, Issue 2, 2017, Pages 67-75]
Fe3O4 Magnetite nanoparticles coated with methoxy polyethylene glycol as an efficient adsorbent of diazinon pesticide from water [Volume 2, Issue 1, 2016, Pages 25-31]
Fenton Degradation of patent blue V using cavity-bubble oxidation reactor induced by glass balls [Volume 9, Issue 1, 2023, Pages 17-31]
Fenton oxidation Degradation of azo dyes using hydrodynamic cavitation and external oxidants [Volume 10, Issue 1, 2024, Pages 55-69]
Fermentation Production of citric acid from food waste using Aspergillus Tubingensis and Aspergillus Niger [Volume 11, Issue 2, 2025, Pages 207-219]
Fermented rice noodles factory Optimization of fermented rice noodle wastewater treatment using effective microorganisms (EM) [Volume 12, Issue 3, 2026, Pages 274-290]
Fertilizer Effect of biochar on nitrogen retention in soil under corn plant inoculated with arbuscular mycorrhizal fungi [Volume 5, Issue 3, 2019, Pages 133-140]
Fertilizer Application of SWAT Model to Simulate Nitrate and Phosphate Leaching from Agricultural Lands to Rivers [Volume 6, Issue 1, 2020, Pages 1-17]
Filtration modes Eco-friendly solutions for urban wastewater: evaluating constructed wetlands and filtration methods [Volume 11, Issue 2, 2025, Pages 182-194]
Fixed bed CFD with the Population Balance Model for Packed Bed Airlift Reactor with External Loop [Volume 10, Issue 3, 2024, Pages 237-269]
Flare Evaluation and modeling of radiation and noise pollution in the north of the Persian Gulf (Case study: South Pars gas platforms) [Volume 8, Issue 3, 2022, Pages 229-238]
Flare Assessing the environmental impact of offshore flares in the Persian Gulf: A comprehensive analysis of SO2 emissions [Volume 11, Issue 1, 2025, Pages 63-74]
Flood plain Miyandoab flood risk mapping using dematel and SAW methods and DPSIR model [Volume 6, Issue 3, 2020, Pages 131-138]
Flood Risk Mapping Miyandoab flood risk mapping using dematel and SAW methods and DPSIR model [Volume 6, Issue 3, 2020, Pages 131-138]
Florfenicol The effects of operating factors on the removal of total ammonia nitrogen and florfenicol antibiotic from synthetic trout fish farm wastewater through nanofiltration [Volume 2, Issue 2, 2016, Pages 95-103]
Fluid dynamics Stirred tank reactor with dual impeller Rushton turbine for application of wastewater treatment - Process optimization and CFD simulation [Volume 9, Issue 3, 2023, Pages 174-193]
FMEA Analysis of Occupational Hazards and Lateral Environmental Pollution in the Construction Phase of Yadavaran Oil Field [Volume 5, Issue 4, 2019, Pages 239-249]
FMEA Comparison of environmental risks of drilling operations of cluster and single ring models [Volume 7, Issue 4, 2021, Pages 305-319]
Formaldehyde A comparative study of the effect of compost/woodchips mixture, natural zeolite and zeolite/activated carbon mixture as packing materials on the biofilter performance [Volume 5, Issue 2, 2019, Pages 67-75]
Forward Osmosis (FO) Mass Transfer Study in Brine Water Treatment by Forward Osmosis Process [Volume 5, Issue 3, 2019, Pages 141-148]
FTIR Application of Taguchi Methodology in adsorption of Malachite Green dye using chemically enhanced Bambusa Tulda (Indian Timber Bamboo) [Volume 9, Issue 2, 2023, Pages 99-111]
Fuel oil hydrotreating A technical and economic assessment of fuel oil hydrotreating technology for steam power plant SO2 and NOx emissions control [Volume 2, Issue 1, 2016, Pages 45-54]
Functional groups Adsorption of hexavalent chromium from aqueous solution using glucose-derived spherical activated carbon: The role of functional groups [Volume 12, Issue 3, 2026, Pages 308-326]
Functionalized Graphene Oxide Removal of Copper (II) Ion by Functionalized Graphene Oxide Nano Adsorbent from Wastewater Sample [(Articles in Press)]
Fuzzy Developing a multi-criteria decision support system based on fuzzy analytical hierarchical process (AHP) method for selection of appropriate high-strength wastewater treatment plant [Volume 5, Issue 2, 2019, Pages 99-105]
Fuzzy logic Using boolean and fuzzy logic combined with analytic hierarchy process for hazardous waste landfill site selection: A case study from Hormozgan province, Iran [Volume 3, Issue 1, 2017, Pages 11-25]
Fuzzy Model Fuzzy modelling for power generation in constructed wetland-microbial fuel cell during sewage water treatment [Volume 12, Issue 2, 2026, Pages 207-219]
Fuzzy modeling Application of fuzzy modeling and response surface methodology for optimization of cadmium uptake by colpomenia sinosa [Volume 6, Issue 1, 2020, Pages 31-36]

G

Gahirmatha coast Spatio Seasonal Discrepancies in the Physico-chemical Parameters along the Surface Water of Gahirmatha Estuary, East Coast of India in the Bay of Bengal [Volume 5, Issue 3, 2019, Pages 171-183]
Gas chromatography-Mass Spectrometry Development and validation of a gas chromatography-tandem mass spectrometry analytical method for the monitoring of ultra-traces of priority substances in surface waters [Volume 6, Issue 2, 2020, Pages 69-81]
Gas Consumption Thermodynamic study of CO2 hydrate formation in the presence of SDS and graphene oxide nanoparticles [Volume 4, Issue 4, 2018, Pages 233-240]
Gas dispersion Analysis of Chlorine Gas Incident Simulation and Dispersion Within a Complex and Populated Urban Area Via Computation Fluid Dynamics [Volume 1, Issue 1, 2015, Pages 49-58]
Gaseous air pollutants Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
Gas-solid reaction modeling A numerical study for gas–solid reactions in a microwave-based system: Kinetic and environmental aspects [Volume 12, Issue 3, 2026, Pages 360-374]
Gas Superficial Velocity Hydrodynamics and mass transfer inthree-phase airlift reactors for activated Carbon and sludge filtration [Volume 2, Issue 4, 2016, Pages 179-184]
Gel–Combustion Evaluation of LaBO3 (B=Mn, Cr, Mn0.5Cr0.5) perovskites in catalytic oxidation of trichloroethylene [Volume 5, Issue 1, 2019, Pages 1-8]
Gemcitabine Application and comparison of the performance of multi-wall magnetic carbon nanotubes for removing paclitaxel and gemcitabine from sewage by ‌‌‌adsorption process [Volume 9, Issue 1, 2023, Pages 33-46]
Geospatial Analysis Optimization of Municipal Solid Waste Landfill Site Selection by Geospatial Analysis in the Ranya District of Iraq [Volume 10, Issue 3, 2024, Pages 218-236]
Geostatistics Using spatial statistics to identify drought-prone regions (A case study of Khuzestan Province, Iran) [Volume 7, Issue 4, 2021, Pages 231-262]
GHGs Environmental study of waste energy recovery by using exergy and economic analysis in a fluid catalytic cracking unit [Volume 3, Issue 4, 2017, Pages 229-242]
GIS Environmental capability assessment for MSW landfill site using geographic information system and multi criteria evaluation [Volume 10, Issue 1, 2024, Pages 29-40]
GIS-based Analysis Assessing vulnerability of a solid waste management system through GIS and the Rank Sum method: A case study of Durgapur city, India [Volume 11, Issue 1, 2025, Pages 36-62]
Glucose oxidase Preparation of Kissiris/TiO2/Fe3O4/GOx Biocatalyst: Feasibility study of MG decolorization [Volume 2, Issue 3, 2016, Pages 111-117]
Granular sludge Response surface methodology approach for simultaneous carbon, nitrogen, and phosphorus removal from industrial wastewater in a sequencing batch reactor [Volume 7, Issue 2, 2021, Pages 119-136]
Graphene Oxide Toxic metal removal from aqueous solution by advanced Carbon allotropes: a case study from the Sungun Copper Mine [Volume 3, Issue 2, 2017, Pages 77-87]
Graphene Oxide Thermodynamic study of CO2 hydrate formation in the presence of SDS and graphene oxide nanoparticles [Volume 4, Issue 4, 2018, Pages 233-240]
Graphene Oxide Removal of metronidazole antibiotic pharmaceutical from aqueous solution using TiO2/Fe2O3/GO photocatalyst: Experimental study on the effects of mineral salts [Volume 5, Issue 1, 2019, Pages 55-65]
Graphene Oxide Reusability, optimization, and adsorption studies of modified graphene oxide in the removal of Direct Red 81 using response surface methodology [Volume 6, Issue 4, 2020, Pages 175-185]
Graphene Oxide Cu removal from wastewater using a polyethersulfone- graphene oxide nanoparticles functionalized with chitosan membrane [Volume 11, Issue 3, 2025, Pages 329-340]
Graphitic carbon nitride (g-C3N4) Easy one-pot synthesis of Zinc Ferrite@Graphitic Carbon Nitride for combined adsorption and photocatalytic degradation of enrofloxacin under visible light [Volume 11, Issue 3, 2025, Pages 254-265]
Green catalyst Methanol synthesis catalyst manufacturing using the green solid-state method [Volume 3, Issue 1, 2017, Pages 53-58]
Green chemistry Modeling of esterification in a batch reactor coupled with pervaporation for production of ethyl acetate catalyzed by ion- exchange resins [Volume 1, Issue 2, 2015, Pages 69-75]
Greenhouse gas Social cost of CO2 emissions in Tehran waste management scenarios and using life cycle assessment to select the scenario with the least impact on global warming [Volume 7, Issue 1, 2021, Pages 11-17]
Green space Assessment of bioaerosol emissions from composting application in the urban green space of Kermanshah province in Iran [Volume 6, Issue 1, 2020, Pages 61-67]
Green synthesis Photocatalytic performance and antibacterial efficacy of green synthesized MgO nanoparticles using Cymbopogan Citratus [Volume 9, Issue 3, 2023, Pages 215-226]
Green synthesis Green synthesis of ZIF-8 nanoparticles for the simultaneous removal of Cd (II) and Sb (III) from contaminated wastewater [Volume 11, Issue 1, 2025, Pages 75-90]
Green synthesis Metal-organic framework based on iron doping: Green synthesis and sustainable adsorbent for anionic dye contaminated water [Volume 12, Issue 3, 2026, Pages 256-273]
Green Technology Green technology used in finishing process study of wrinkled cotton fabric by radial basis function (Experimental and modeling analysis) [Volume 5, Issue 1, 2019, Pages 35-45]
Groundwater Study on the performance of wetlands and impact on water quality in a densely populated urban area in Amanaka, Raipur, Chhattisgarh, India [Volume 10, Issue 1, 2024, Pages 1-11]
Groundwater Evaluation of seasonal variation of groundwater quality by using the correlation matrices method in Koppal Taluk, Karnataka, India [Volume 11, Issue 3, 2025, Pages 236-253]
Groundwater quality Modeling groundwater quality using three novel hybrid support vector regression models [Volume 6, Issue 2, 2020, Pages 99-110]

H

Hazardous waste Using boolean and fuzzy logic combined with analytic hierarchy process for hazardous waste landfill site selection: A case study from Hormozgan province, Iran [Volume 3, Issue 1, 2017, Pages 11-25]
HD diesel engine Environmental effects of using Methanol as a biofuel into the combustion chamber of a heavy-duty diesel engine [Volume 2, Issue 1, 2016, Pages 1-10]
HD diesel engine Modification of piston bowl geometry and injection strategy, and investigation of EGR composition for a DME-burning direct injection engine [Volume 3, Issue 1, 2017, Pages 1-10]
HDTMA Phenol-Contaminated Water Treatment Using Clay Nano Particles in Continuous and Batch Process and Survey the Factors Affected [Volume 10, Issue 3, 2024, Pages 202-217]
Health risks Health risks assessment of heavy metal contamination in drinking water collected from different educational institutions of Khulna city corporation, Bangladesh [Volume 6, Issue 4, 2020, Pages 235-250]
Heavy metal Removal of As(V), Cr(VI) and Pb(II) from aqueous solution using surfactant-modified Sabzevar nanozeolite [Volume 2, Issue 2, 2016, Pages 105-109]
Heavy metal rejection Polydopamine functionalized halloysite nanotubes incorporated polyethersulfone hollow fiber membranes for the removal of arsenic (as-v) from water [Volume 11, Issue 3, 2025, Pages 266-282]
Heavy metals Health risks assessment of heavy metal contamination in drinking water collected from different educational institutions of Khulna city corporation, Bangladesh [Volume 6, Issue 4, 2020, Pages 235-250]
Heavy metals Acacia trees-legumes potential for phytoremediation of urban landfill soil in Bonoua (Côte d’Ivoire) [Volume 9, Issue 1, 2023, Pages 59-71]
Heavy metals Investigation of the physicochemical and microbiological quality of brassware effluents: Insight into the charge of heavy metal and pollutants in wastewater from Fez, Morocco [Volume 10, Issue 1, 2024, Pages 41-54]
Heavy metals Assessing the influence of particle size and dissolved organic carbon on heavy metal leaching from construction and demolition waste modified with carbon-rich materials [Volume 10, Issue 4, 2024, Pages 297-314]
Heavy metals removal An in-depth review of sustainable technologies for heavy metal removal from industrial wastewater: Current approaches and prospective challenges [Volume 12, Issue 1, 2026, Pages 1-31]
Heavy oil cut Biological upgrading of heavy oil cuts using native microbial consortia as an environmental-friendly technology in petroleum refineries [Volume 8, Issue 3, 2022, Pages 215-228]
Height of Transfer Unit CO2 Removal from Air in a Countercurrent Rotating Packed Bed, Experimental Determination of Height of Transfer Unit [Volume 1, Issue 1, 2015, Pages 25-30]
Heterogeneous Bio-Fenton Preparation of Kissiris/TiO2/Fe3O4/GOx Biocatalyst: Feasibility study of MG decolorization [Volume 2, Issue 3, 2016, Pages 111-117]
Heterojunction Formation Highly efficient sunlight-powered photocatalytic degradation of rhodamine B using Cu2Cr-LDH/TiO2 and Cu2Cr-LDH/BiOCl semiconductor nanocomposites [Volume 12, Issue 3, 2026, Pages 291-307]
Hexavalent chromium Effect of anions interaction on the removal efficiency of nanofilters for the potable water treatment [Volume 2, Issue 4, 2016, Pages 197-205]
Hexavalent chromium Biosorption of hexavalent Chromium by the agricultural wastes of the cotton and barberry plants [Volume 3, Issue 3, 2017, Pages 159-167]
Hexavalent chromium Adsorption of hexavalent chromium from aqueous solution using glucose-derived spherical activated carbon: The role of functional groups [Volume 12, Issue 3, 2026, Pages 308-326]
HFMC The CO2 removal of flue gas using hollow fiber membrane contactor: a comprehensive modeling and new perspectives [Volume 7, Issue 1, 2021, Pages 47-56]
Hierarchical Cluster Analysis Multivariate and Statistical Approaches for the Source Apportionment and Evaluation of Trace Elements Pollution at Mining Areas (Case study: Mehdi Abad Pb/Zn mine) [Volume 6, Issue 1, 2020, Pages 19-30]
Hollow fiber membrane Efficient treatment of baker’s yeast wastewater using aerobic membrane bioreactor [Volume 1, Issue 3, 2015, Pages 105-111]
Hollow fiber membrane Machine learning-driven advances in polymer membrane science: Emerging trends and future directions [Volume 12, Issue 1, 2026, Pages 32-62]
Hollow fiber membranes Enhanced arsenic (V) removal from water using aluminium oxide nanoparticle-incorporated Polyethersulfone hollow fiber membranes [Volume 12, Issue 2, 2026, Pages 220-231]
Hollow Fibre Membrane Polydopamine functionalized halloysite nanotubes incorporated polyethersulfone hollow fiber membranes for the removal of arsenic (as-v) from water [Volume 11, Issue 3, 2025, Pages 266-282]
Hot spots and cold spots Using spatial statistics to identify drought-prone regions (A case study of Khuzestan Province, Iran) [Volume 7, Issue 4, 2021, Pages 231-262]
Household Welfare Relationship between CO2 and Iran's economic growth with an emphasis on household welfare index (an economy with oil and economy without oil) [Volume 6, Issue 2, 2020, Pages 119-130]
HPLC Investigation of the biodegradability of pendimethalin by Bacillus subtilis, Pseudomonas fluorescens, and Escherichia coli [Volume 7, Issue 4, 2021, Pages 221-229]
HRSG Environmental study of waste energy recovery by using exergy and economic analysis in a fluid catalytic cracking unit [Volume 3, Issue 4, 2017, Pages 229-242]
Humic acid Preparation and characterization of MWCNT-COOH/PVC ultrafiltration membranes to use in water treatment [Volume 4, Issue 2, 2018, Pages 95-105]
Hybrid bioreactor Beet sugar wastewater treatment in a hybrid biological reactor: operational optimization and kinetic coefficients calculation [Volume 9, Issue 4, 2023, Pages 339-350]
Hybrid Constructed wetland Treatment of septage using lab-scale hybrid constructed wetland system [Volume 9, Issue 4, 2023, Pages 322-328]
Hybrid Constructed wetland Application of first-order kinetic modelling of municipal wastewater treatment at two stage hybrid constructed wetland [Volume 12, Issue 2, 2026, Pages 232-242]
Hybrid treatment Treatment of wastewater by a combined technique of adsorption, electrocoagulation followed by membrane separation [Volume 7, Issue 3, 2021, Pages 171-183]
Hydrated lime (Ca (OH)2) Facile synthesis of Ca-(OH)2-Mg nanocomposite and its applications for the removal of manganese from drinking water: A pilot study [Volume 10, Issue 1, 2024, Pages 12-28]
Hydraulic retention time Biokinetic coefficients determination of a MBR for styrene and ethylbenzene as substrate base on Andrews model [Volume 2, Issue 4, 2016, Pages 207-214]
Hydraulic retention time Effect of hydraulic retention time (HRT) in an anaerobic baffled reactor (ABR) on the reduction of BOD and COD in slaughterhouse industrial wastewater [Volume 11, Issue 1, 2025, Pages 1-12]
Hydrodynamic cavitation Degradation of azo dyes using hydrodynamic cavitation and external oxidants [Volume 10, Issue 1, 2024, Pages 55-69]
Hydrofluoric acid Optimization of chemical regeneration procedures of spent activated carbon [Volume 3, Issue 1, 2017, Pages 45-51]
Hydrogel Removal of copper (II) from aqueous solutions by sodium alginate/hydroxy apatite hydrogel modified by Zeolite [Volume 3, Issue 4, 2017, Pages 185-192]
Hydrogen addition Improving the combustion and emission characteristics of ISM 370 diesel engine by hydrogen addition and redesigning injection strategy [Volume 4, Issue 2, 2018, Pages 119-129]
Hydrogenation Electrochemical hydrogenation and desulfurization of thiophenic compounds over MoS2 electrocatalyst using different membrane-electrode assembly [Volume 5, Issue 1, 2019, Pages 23-33]
Hydrogen Peroxide Degradation of azo dyes using hydrodynamic cavitation and external oxidants [Volume 10, Issue 1, 2024, Pages 55-69]
Hydrogen sulfide A Green Route for Wasted Sulfur Consumption: Kinetic Modelling of Methyl Mercaptan Synthesis from Refinery H2S Streams over the K2Wo4/Al2O3 Catalyst [Volume 5, Issue 4, 2019, Pages 213-219]
Hydrogen sulfide A review on H2S adsorption by metal-organic frameworks for air purification application [Volume 10, Issue 3, 2024, Pages 270-296]
Hydrothermal synthesis Adsorption of hexavalent chromium from aqueous solution using glucose-derived spherical activated carbon: The role of functional groups [Volume 12, Issue 3, 2026, Pages 308-326]
Hydrus-1D Simulation of municipal landfill leachate movement in soil by HYDRUS-1D model [Volume 3, Issue 3, 2017, Pages 177-184]
HYDRUS CW2D Performance evaluation and numerical simulation of vertical subsurface flow constructed wetlands in wastewater treatment [Volume 7, Issue 1, 2021, Pages 37-46]

I

Ilam Gas Refinery Isolation and characterization of sulfur-oxidizing bacteria at the Ilam gas refinery in Iran [Volume 11, Issue 4, 2025, Pages 414-425]
Imine-modified silica-coated magnetic nanoparticles Efficient removal of Ag+ and Cu2+ using imine-modified/mesoporous silica-coated magnetic nanoparticles [Volume 4, Issue 4, 2018, Pages 223-231]
Immobilization Nanostructured Fe2O3/Al2O3 Adsorbent for removal of As (V) from water [Volume 3, Issue 2, 2017, Pages 67-75]
Immobilization Titanium dioxide Sol–Gel/Zinc oxide Sol–Gel and Titanium dioxide Sol–Gel/powdered Zinc Oxide-coated clay beads in photocatalytic reactor [Volume 12, Issue 3, 2026, Pages 328-340]
Impregnation A Green Route for Wasted Sulfur Consumption: Kinetic Modelling of Methyl Mercaptan Synthesis from Refinery H2S Streams over the K2Wo4/Al2O3 Catalyst [Volume 5, Issue 4, 2019, Pages 213-219]
Indigenous Indigenous production of biosurfactant and degradation of crude oil [Volume 1, Issue 1, 2015, Pages 11-16]
Indonesia Microplastics in tropical coastal and river sediments in a non-industrial urban area: Correlations with land use and potential sources [Volume 12, Issue 3, 2026, Pages 341-359]
Industrial wastewater An in-depth review of sustainable technologies for heavy metal removal from industrial wastewater: Current approaches and prospective challenges [Volume 12, Issue 1, 2026, Pages 1-31]
Inhibition Zone Detection of Resistant Bacteria through Molecular Identification from Traditional Ponds in Tirang Beach, Semarang, Indonesia [Volume 10, Issue 4, 2024, Pages 360-373]
Injection timing Environmental effects of using Methanol as a biofuel into the combustion chamber of a heavy-duty diesel engine [Volume 2, Issue 1, 2016, Pages 1-10]
Injection timing Comparison and analysis of two natural adsorbents of Sorghum and Ziziphus nummularia pyrene for removal of Erythrosine dye from aquatic environments [Volume 2, Issue 2, 2016, Pages 71-76]
Injection timing Improving the combustion and emission characteristics of ISM 370 diesel engine by hydrogen addition and redesigning injection strategy [Volume 4, Issue 2, 2018, Pages 119-129]
Internal Recycle Flow Effect of operating parameters on the performance of wastewater treatment plant (Case study: The south of Tehran wastewater treatment) [Volume 4, Issue 4, 2018, Pages 211-221]
Interpolation models Analysis and zoning of air pollution in urban landscape using different models of spatial analysis (Case study: Tehran) [Volume 5, Issue 3, 2019, Pages 185-191]
Ionic dye Decolorization of Ionic Dyes from Synthesized Textile Wastewater by Nanofiltration Using Response Surface Methodology [Volume 1, Issue 2, 2015, Pages 85-92]
Ion interaction Effect of anions interaction on the removal efficiency of nanofilters for the potable water treatment [Volume 2, Issue 4, 2016, Pages 197-205]
Iron oxide Application and comparison of the performance of multi-wall magnetic carbon nanotubes for removing paclitaxel and gemcitabine from sewage by ‌‌‌adsorption process [Volume 9, Issue 1, 2023, Pages 33-46]
Iron oxide (III) Removal of metronidazole antibiotic pharmaceutical from aqueous solution using TiO2/Fe2O3/GO photocatalyst: Experimental study on the effects of mineral salts [Volume 5, Issue 1, 2019, Pages 55-65]
Iron Removal Effect of controlled parameters in lab-scale system of iron treatment from simulated groundwater with ozone [Volume 8, Issue 1, 2022, Pages 47-56]
ISM 370 diesel engine Improving the combustion and emission characteristics of ISM 370 diesel engine by hydrogen addition and redesigning injection strategy [Volume 4, Issue 2, 2018, Pages 119-129]
Isotherm Biosorption of styrene from synthetic wastewater by sugar cane waste(Bagass) [Volume 1, Issue 1, 2015, Pages 31-40]
Isotherm Response Surface Methodology for Optimizing Adsorption Process Parameters of Reactive Blue 21 onto Modified Kaolin [Volume 3, Issue 2, 2017, Pages 89-98]
Isotherm Investigation of effective parameters on adsorption of amoxicillin from aqueous medium onto activated carbon [Volume 5, Issue 2, 2019, Pages 107-114]
Isotherm Removal of Ni (II) from aqueous solution using modified MCM-41 nano-adsorbents [Volume 5, Issue 3, 2019, Pages 157-169]
Isotherm and kinetic models Modeling studies for adsorption of phenol and co-pollutants onto granular activated carbon prepared from olive oil industrial waste [Volume 4, Issue 1, 2018, Pages 23-40]
Isotherm models A comparative study of Cu(П) and Pb(П) adsorption by Iranian bentonite (Birjand area) in aqueous solutions [Volume 1, Issue 2, 2015, Pages 93-100]

K

K2Wo4/Al2O3 Catalyst A Green Route for Wasted Sulfur Consumption: Kinetic Modelling of Methyl Mercaptan Synthesis from Refinery H2S Streams over the K2Wo4/Al2O3 Catalyst [Volume 5, Issue 4, 2019, Pages 213-219]
Kaoline Response Surface Methodology for Optimizing Adsorption Process Parameters of Reactive Blue 21 onto Modified Kaolin [Volume 3, Issue 2, 2017, Pages 89-98]
Karaj River Artificial Neural Network Modeling for Predicting of some Ion Concentrations in the Karaj River [Volume 3, Issue 2, 2017, Pages 109-117]
Karkheh River Analysis of physiochemical and microbial quality of waters of the Karkheh River in southwestern Iran using multivariate statistical methods [Volume 4, Issue 2, 2018, Pages 75-81]
Keratin nanoparticles Performance of keratin nanoparticle and its magnetic nanocomposite for Zn(II) removal from its aqueous solution [Volume 6, Issue 1, 2020, Pages 37-45]
Kermanshah Assessment of bioaerosol emissions from composting application in the urban green space of Kermanshah province in Iran [Volume 6, Issue 1, 2020, Pages 61-67]
Keywords: Lead Studies on optimization of efficient parameters for removal of lead from aqueous solutions by natural zeolite as a low-cost adsorbent using response surface methodology [Volume 3, Issue 2, 2017, Pages 99-108]
Khulna city corporation Health risks assessment of heavy metal contamination in drinking water collected from different educational institutions of Khulna city corporation, Bangladesh [Volume 6, Issue 4, 2020, Pages 235-250]
Kinetic coefficients Beet sugar wastewater treatment in a hybrid biological reactor: operational optimization and kinetic coefficients calculation [Volume 9, Issue 4, 2023, Pages 339-350]
Kinetics Characterization and Kinetic study of PAH–degrading Sphingopyxis ummariensis bacteria isolated from a petrochemical wastewater treatment plant [Volume 1, Issue 1, 2015, Pages 1-9]
Kinetics Equilibrium, kinetic and thermodynamic studies on the adsorption of thiocyanate by Steel slag in an Aqueous System [Volume 3, Issue 4, 2017, Pages 193-203]
Kinetics Study of multi-stage cadmium adsorption by riverine sediments [Volume 6, Issue 4, 2020, Pages 211-221]
Kissiris Preparation of Kissiris/TiO2/Fe3O4/GOx Biocatalyst: Feasibility study of MG decolorization [Volume 2, Issue 3, 2016, Pages 111-117]
Koppal Evaluation of seasonal variation of groundwater quality by using the correlation matrices method in Koppal Taluk, Karnataka, India [Volume 11, Issue 3, 2025, Pages 236-253]

L

Lab-scale study Effect of controlled parameters in lab-scale system of iron treatment from simulated groundwater with ozone [Volume 8, Issue 1, 2022, Pages 47-56]
Landfill Gas Emissions Assessment of Landfill Gas Production in Saveh City Using the LandGEM Model: A Comprehensive Analysis [(Articles in Press)]
Landfill site selection Environmental capability assessment for MSW landfill site using geographic information system and multi criteria evaluation [Volume 10, Issue 1, 2024, Pages 29-40]
Landfill Siting Optimization of Municipal Solid Waste Landfill Site Selection by Geospatial Analysis in the Ranya District of Iraq [Volume 10, Issue 3, 2024, Pages 218-236]
Landfill sitting Using boolean and fuzzy logic combined with analytic hierarchy process for hazardous waste landfill site selection: A case study from Hormozgan province, Iran [Volume 3, Issue 1, 2017, Pages 11-25]
LandGEM Model Assessment of Landfill Gas Production in Saveh City Using the LandGEM Model: A Comprehensive Analysis [(Articles in Press)]
Land Suitability Index Optimization of Municipal Solid Waste Landfill Site Selection by Geospatial Analysis in the Ranya District of Iraq [Volume 10, Issue 3, 2024, Pages 218-236]
Langelier saturation index (LSI) Water’s corrosion and scaling potential prediction using artificial neural networks and gene expression programming in several rural water distribution networks in Kermanshah Province, Iran [Volume 11, Issue 4, 2025, Pages 396-413]
Langmuir Thermal and chemical modification of bentonite for adsorption of an anionic dye [Volume 4, Issue 1, 2018, Pages 1-12]
Langmuir Sorption of cd (II) ions by chitosan modified peanut shell biochar from aqueous solution [Volume 5, Issue 4, 2019, Pages 203-211]
Langmuir–Hinshelwood Three-dimensional simulation of microcapillary and microchannel photo reactors for organic pollutant degradation from contaminated water using computational fluid dynamics [Volume 5, Issue 4, 2019, Pages 229-237]
Langmuir-Hinshelwood model Chemical synthesis, characterization and application of nanosized ZnO in the treatment of ciprofloxacin formulated aquaculture effluent: COD, kinetics and mechanism [Volume 9, Issue 1, 2023, Pages 1-16]
Larson– Skold index (L-SI) Water’s corrosion and scaling potential prediction using artificial neural networks and gene expression programming in several rural water distribution networks in Kermanshah Province, Iran [Volume 11, Issue 4, 2025, Pages 396-413]
LCA Environmental sustainability enhancement of a petroleum refinery through heat exchanger network retrofitting and renewable energy [Volume 3, Issue 4, 2017, Pages 217-227]
Leachate Simulation of municipal landfill leachate movement in soil by HYDRUS-1D model [Volume 3, Issue 3, 2017, Pages 177-184]
Leachate Recycling spent lithium-ion batteries: A holistic approach for addressing environmental challenges and resource recovery [Volume 11, Issue 4, 2025, Pages 357-395]
Leachates Co-disposal of bottom ash and municipal solid wastes: chemical, microbiological behaviours and stability in anaerobic conditions [Volume 7, Issue 3, 2021, Pages 195-208]
Leachate treatment Selection of the best leachate treatment method for the waste of leek fields using Analytic Hierarchy Process (AHP) [Volume 7, Issue 3, 2021, Pages 153-170]
Leachate treatment Study of the performance of bench-scale electro-membranes bioreactor in leachate treatment [Volume 7, Issue 3, 2021, Pages 209-220]
Leaching Sorption, degradation and leaching of pesticides in soils amended with organic matter: A review [Volume 3, Issue 2, 2017, Pages 119-132]
Leaching Assessing the influence of particle size and dissolved organic carbon on heavy metal leaching from construction and demolition waste modified with carbon-rich materials [Volume 10, Issue 4, 2024, Pages 297-314]
Lead Evaluation of the heavy metal risk potential in salts extracted from the Shorbarik River [Volume 10, Issue 2, 2024, Pages 160-169]
Lead Synthesis of hydroxyapatite-zeolite from blast furnace slag and its application for the removal of copper, lead and copper-lead mixture by adsorption [Volume 10, Issue 4, 2024, Pages 339-359]
Lead Bacterial-based bioremediation: A sustainable strategy for mitigating copper and lead contamination in aquatic ecosystems [Volume 11, Issue 4, 2025, Pages 426-445]
Life cycle assessment Assessing the effects of wheat flour production on the environment [Volume 6, Issue 2, 2020, Pages 111-117]
Life cycle assessment Evaluation of life cycle, exergy, and carbon footprint of wastewater treatment system by activated sludge method in petrochemical industries [Volume 9, Issue 2, 2023, Pages 115-123]
Life Cycle Inventory Social cost of CO2 emissions in Tehran waste management scenarios and using life cycle assessment to select the scenario with the least impact on global warming [Volume 7, Issue 1, 2021, Pages 11-17]
Lignocellulosic wastes Bioremediation of lignocellulosic wastes of food industries by Aspergillus flavus as food and feed additive protein by solid-state fermentation process [Volume 3, Issue 3, 2017, Pages 169-175]
Linear Alkylbenzene Sulfonate A feasible treatment of carpet-washing wastewater through the electro-fenton process: optimization using response surface methodology [Volume 10, Issue 4, 2024, Pages 374-387]
Lithium-ion battery Recycling spent lithium-ion batteries: A holistic approach for addressing environmental challenges and resource recovery [Volume 11, Issue 4, 2025, Pages 357-395]
Longitudinal dispersivity Experimental and Mathematical Investigation of Time-Dependence of Contaminant Dispersivity in Soil [Volume 4, Issue 2, 2018, Pages 131-138]

M

Magmolecular process Adsorption of Cesium, Strontium, and Rubidium radionuclides in the Mag-molecular process: The influence of important factors [Volume 3, Issue 3, 2017, Pages 139-149]
Magnetic char Low-cost magnetic char derived from oily sludge for Methylene Blue dye removal: optimization, isotherm, and kinetic approach [Volume 8, Issue 4, 2022, Pages 329-343]
Magnetic ferrite Photocatalytic degradation of textile dye direct orange 26 by using CoFe2O4/Ag2O [Volume 2, Issue 2, 2016, Pages 77-84]
Magnetic keratin Performance of keratin nanoparticle and its magnetic nanocomposite for Zn(II) removal from its aqueous solution [Volume 6, Issue 1, 2020, Pages 37-45]
Magnetization Modified waste polystyrene as a novel adsorbent for removal of methylene blue from aqueous media [Volume 8, Issue 2, 2022, Pages 83-92]
Malathion Biodegradation of malathion by serratia marcescens isolated from Arvandkenar region, Iran [Volume 2, Issue 1, 2016, Pages 55-61]
Manganese Removal of Manganese from an Aqueous Solution Using Micellar-Enhanced Ultrafiltration (MEUF) with SDS Surfactants [Volume 1, Issue 1, 2015, Pages 17-23]
Manganese Investigating the removal of Mn(II) from water and wastewater using low-cost bio-sorbents: orange peels and sugarcane bagasse [Volume 11, Issue 1, 2025, Pages 13-35]
Manganese contamination Facile synthesis of Ca-(OH)2-Mg nanocomposite and its applications for the removal of manganese from drinking water: A pilot study [Volume 10, Issue 1, 2024, Pages 12-28]
Manganese removal Facile synthesis of Ca-(OH)2-Mg nanocomposite and its applications for the removal of manganese from drinking water: A pilot study [Volume 10, Issue 1, 2024, Pages 12-28]
Mashhad city Investigation of thecontrol of the fat, oil and grease in sewer lines and their removal by surfactant treatment [Volume 4, Issue 3, 2018, Pages 155-161]
Mass transfer CO2 Removal from Air in a Countercurrent Rotating Packed Bed, Experimental Determination of Height of Transfer Unit [Volume 1, Issue 1, 2015, Pages 25-30]
Mass transfer Hydrodynamics and mass transfer inthree-phase airlift reactors for activated Carbon and sludge filtration [Volume 2, Issue 4, 2016, Pages 179-184]
Mass transfer Mass Transfer Study in Brine Water Treatment by Forward Osmosis Process [Volume 5, Issue 3, 2019, Pages 141-148]
Mass transfer coefficient Mass transfer coefficient of ammonia in the air stripping process for municipal wastewater: An experimental study [Volume 7, Issue 4, 2021, Pages 289-304]
Mass transport Effect of mass transport limitation and pyrite particulate on the continuous electro-Fenton process treatment of textile industrial dyek [Volume 8, Issue 4, 2022, Pages 279-292]
Materials costs Facile synthesis of Ca-(OH)2-Mg nanocomposite and its applications for the removal of manganese from drinking water: A pilot study [Volume 10, Issue 1, 2024, Pages 12-28]
Mathematical modelling Mathematical modeling and optimization of sonication remediation of soil polluted with 2-methylpropane-2-thiol [Volume 1, Issue 3, 2015, Pages 137-146]
Matlab Miyandoab flood risk mapping using dematel and SAW methods and DPSIR model [Volume 6, Issue 3, 2020, Pages 131-138]
MCM-41/TMSPDETA Kinetic studies of Pb and Ni adsorption onto MCM-41 amine-functionalized nano particle [Volume 1, Issue 2, 2015, Pages 101-104]
Mechanisms Exploiting Microalgae for efficient removal of heavy metals: An in-silico approach [Volume 12, Issue 2, 2026, Pages 138-173]
MECs Investigation and comparative analysis of materials, efficiency, and design in microbial electrolysis cells for biomethane production [Volume 11, Issue 2, 2025, Pages 130-163]
Membrane Preparation and characterization of MWCNT-COOH/PVC ultrafiltration membranes to use in water treatment [Volume 4, Issue 2, 2018, Pages 95-105]
Membrane High-performance polysulfone/NH2-MIL-125 membranes for the rejection of toxic metals in aqueous solutions [Volume 12, Issue 1, 2026, Pages 103-122]
Membrane bioreactor Efficient treatment of baker’s yeast wastewater using aerobic membrane bioreactor [Volume 1, Issue 3, 2015, Pages 105-111]
Membrane capacitive deionization An experimental study on the effect of composite electrode on the membrane- assisted electrode in CDI and MCDI processes towards nitrate ion selectivity [Volume 8, Issue 3, 2022, Pages 185-201]
Membrane design Machine learning-driven advances in polymer membrane science: Emerging trends and future directions [Volume 12, Issue 1, 2026, Pages 32-62]
Membrane-electrode assembly Electrochemical hydrogenation and desulfurization of thiophenic compounds over MoS2 electrocatalyst using different membrane-electrode assembly [Volume 5, Issue 1, 2019, Pages 23-33]
Membrane fouling Efficient treatment of baker’s yeast wastewater using aerobic membrane bioreactor [Volume 1, Issue 3, 2015, Pages 105-111]
Membrane fouling Study of the performance of bench-scale electro-membranes bioreactor in leachate treatment [Volume 7, Issue 3, 2021, Pages 209-220]
Membrane technology Bentazon removal from aqueous solution by reverse osmosis; optimization of effective parameters using response surface methodology [Volume 5, Issue 4, 2019, Pages 193-201]
Membrane technology Machine learning-driven advances in polymer membrane science: Emerging trends and future directions [Volume 12, Issue 1, 2026, Pages 32-62]
Mesoporous MCM-41 Removal of Ni (II) from aqueous solution using modified MCM-41 nano-adsorbents [Volume 5, Issue 3, 2019, Pages 157-169]
Meta-heuristic algorithms Modeling groundwater quality using three novel hybrid support vector regression models [Volume 6, Issue 2, 2020, Pages 99-110]
Metal enrichment Source, geochemical spreading and risks of trace metals in particulate matter 2.5 within a gas flaring area in Bayelsa State, Nigeria [Volume 7, Issue 2, 2021, Pages 101-118]
Metallothionein gene Exploiting Microalgae for efficient removal of heavy metals: An in-silico approach [Volume 12, Issue 2, 2026, Pages 138-173]
Metal-Organic framework High-performance polysulfone/NH2-MIL-125 membranes for the rejection of toxic metals in aqueous solutions [Volume 12, Issue 1, 2026, Pages 103-122]
Metal Organic Frameworks A review on H2S adsorption by metal-organic frameworks for air purification application [Volume 10, Issue 3, 2024, Pages 270-296]
Metal removal Study of the performance of bench-scale electro-membranes bioreactor in leachate treatment [Volume 7, Issue 3, 2021, Pages 209-220]
Methane Production Assessment of Landfill Gas Production in Saveh City Using the LandGEM Model: A Comprehensive Analysis [(Articles in Press)]
Methane Recovery Assessment of Landfill Gas Production in Saveh City Using the LandGEM Model: A Comprehensive Analysis [(Articles in Press)]
Methanol Methanol synthesis catalyst manufacturing using the green solid-state method [Volume 3, Issue 1, 2017, Pages 53-58]
Methanol biofuel Environmental effects of using Methanol as a biofuel into the combustion chamber of a heavy-duty diesel engine [Volume 2, Issue 1, 2016, Pages 1-10]
Methanol biofuel Comparison and analysis of two natural adsorbents of Sorghum and Ziziphus nummularia pyrene for removal of Erythrosine dye from aquatic environments [Volume 2, Issue 2, 2016, Pages 71-76]
Methanosarscina Co-disposal of bottom ash and municipal solid wastes: chemical, microbiological behaviours and stability in anaerobic conditions [Volume 7, Issue 3, 2021, Pages 195-208]
Methylene Blue Preparation, characterization and photocatalytic degradation of methylene blue by Fe3+ doped TiO2 supported on natural zeolite using response surface methodology [Volume 3, Issue 4, 2017, Pages 205-216]
Methylene Blue Photocatalytic degradation of methylene blue from aqueous solution using Fe3O4@SiO2@CeO2 core-shell magnetic nanostructure as an effective catalyst [Volume 5, Issue 2, 2019, Pages 127-132]
Methylene Blue Modified waste polystyrene as a novel adsorbent for removal of methylene blue from aqueous media [Volume 8, Issue 2, 2022, Pages 83-92]
Methylene Blue adsorption Low-cost magnetic char derived from oily sludge for Methylene Blue dye removal: optimization, isotherm, and kinetic approach [Volume 8, Issue 4, 2022, Pages 329-343]
Methylene Blue dye Recycling the wasted bentonite clay as a low-cost and novel adsorbent for the removal of the methylene blue dye in the aqueous solution [Volume 10, Issue 1, 2024, Pages 70-84]
Methyl mercaptan A Green Route for Wasted Sulfur Consumption: Kinetic Modelling of Methyl Mercaptan Synthesis from Refinery H2S Streams over the K2Wo4/Al2O3 Catalyst [Volume 5, Issue 4, 2019, Pages 213-219]
Methyl orange Photocatalytic decolorization of methyl orange dye using nano-photocatalysts [Volume 1, Issue 3, 2015, Pages 121-127]
Methyl orange Synthesis, characterization and degradation activity of Methyl orange Azo dye using synthesized CuO/α-Fe2O3 nanocomposite [Volume 2, Issue 3, 2016, Pages 143-151]
Methyl orange Sonocatalysis degradation of methyl orange using zinc sulfide carbon nanotubes nanocatalyst [Volume 3, Issue 4, 2017, Pages 243-248]
Methyl orange Response surface methodology analysis of the photodegradation of methyl orange dye using synthesized TiO2/Bentonite/ZnO composites [Volume 8, Issue 1, 2022, Pages 31-46]
Methyl orange Degradation of azo dyes using hydrodynamic cavitation and external oxidants [Volume 10, Issue 1, 2024, Pages 55-69]
MEUF Removal of Manganese from an Aqueous Solution Using Micellar-Enhanced Ultrafiltration (MEUF) with SDS Surfactants [Volume 1, Issue 1, 2015, Pages 17-23]
Mg-(OH)2-Ca-NPs nanocomposite Fabrication of highly reactive MgO-NPs-CaO-hydrous nanocomposite and its application for the removal of manganese from aqueous solution [Volume 8, Issue 4, 2022, Pages 293-309]
MgO nanoparticles Photocatalytic performance and antibacterial efficacy of green synthesized MgO nanoparticles using Cymbopogan Citratus [Volume 9, Issue 3, 2023, Pages 215-226]
Microalgae Nutrients removal from raw municipal wastewater using Chlorella vulgaris microalgae [Volume 9, Issue 1, 2023, Pages 47-57]
Microalgae Enhancing biogas production using ultrasound-assisted thermal pretreatment technology for anaerobic co-digestion of sewage sludge and microalgae substrates [Volume 10, Issue 3, 2024, Pages 171-186]
Microbial degradation Investigation of the biodegradability of pendimethalin by Bacillus subtilis, Pseudomonas fluorescens, and Escherichia coli [Volume 7, Issue 4, 2021, Pages 221-229]
Microbial fuel cell Fuzzy modelling for power generation in constructed wetland-microbial fuel cell during sewage water treatment [Volume 12, Issue 2, 2026, Pages 207-219]
Microbial protein Bioremediation of lignocellulosic wastes of food industries by Aspergillus flavus as food and feed additive protein by solid-state fermentation process [Volume 3, Issue 3, 2017, Pages 169-175]
Microbiological Investigation of the physicochemical and microbiological quality of brassware effluents: Insight into the charge of heavy metal and pollutants in wastewater from Fez, Morocco [Volume 10, Issue 1, 2024, Pages 41-54]
Microcapillary Three-dimensional simulation of microcapillary and microchannel photo reactors for organic pollutant degradation from contaminated water using computational fluid dynamics [Volume 5, Issue 4, 2019, Pages 229-237]
Microchannel Three-dimensional simulation of microcapillary and microchannel photo reactors for organic pollutant degradation from contaminated water using computational fluid dynamics [Volume 5, Issue 4, 2019, Pages 229-237]
Micro-organisms Nanobioremediation: harnessing chemically modified and biogenic nanoparticles for environmental cleanup [Volume 11, Issue 3, 2025, Pages 300-328]
Microwave-based reaction A numerical study for gas–solid reactions in a microwave-based system: Kinetic and environmental aspects [Volume 12, Issue 3, 2026, Pages 360-374]
Microwave Irradiation Degradation of Diazinon from aqueous solution using Silver-modified Clinoptilolite Zeolite in photocatalytic process [Volume 4, Issue 3, 2018, Pages 175-182]
Mineral salts Removal of metronidazole antibiotic pharmaceutical from aqueous solution using TiO2/Fe2O3/GO photocatalyst: Experimental study on the effects of mineral salts [Volume 5, Issue 1, 2019, Pages 55-65]
Mixed matrix membrane Cu removal from wastewater using a polyethersulfone- graphene oxide nanoparticles functionalized with chitosan membrane [Volume 11, Issue 3, 2025, Pages 329-340]
Mn removal Fabrication of highly reactive MgO-NPs-CaO-hydrous nanocomposite and its application for the removal of manganese from aqueous solution [Volume 8, Issue 4, 2022, Pages 293-309]
Modeling Modeling of esterification in a batch reactor coupled with pervaporation for production of ethyl acetate catalyzed by ion- exchange resins [Volume 1, Issue 2, 2015, Pages 69-75]
Modeling Modeling groundwater quality using three novel hybrid support vector regression models [Volume 6, Issue 2, 2020, Pages 99-110]
Modeling Hardness and chloride removal in dewatering system: Modeling and optimization of electrochemical reaction [Volume 6, Issue 4, 2020, Pages 251-265]
Modeling Modelling turbidity removal by poly-aluminium chloride coagulant using gene expression [Volume 7, Issue 4, 2021, Pages 263-273]
Modeling Optimization of an activated sludge process equipped with a diffused aeration system: Investigating the diffuser density sensitivity [Volume 8, Issue 4, 2022, Pages 255-270]
Modeling Modeling and evaluation of the environmental consequences of fire in atmospheric storage tanks using PHAST software [Volume 9, Issue 2, 2023, Pages 153-164]
Modelling Evaluation of some regression models in the prediction of dissolved oxygen and water temperature of the Jarreh Dam, Iran [Volume 11, Issue 2, 2025, Pages 220-235]
Modification Removal of As(V), Cr(VI) and Pb(II) from aqueous solution using surfactant-modified Sabzevar nanozeolite [Volume 2, Issue 2, 2016, Pages 105-109]
Modification Cadmium removal from wastewater using nano-clay/TiO2 composite: kinetics, equilibrium and thermodynamic study [Volume 4, Issue 4, 2018, Pages 203-209]
Modified biochar Sorption of cd (II) ions by chitosan modified peanut shell biochar from aqueous solution [Volume 5, Issue 4, 2019, Pages 203-211]
Modified Fenton Fast and environmental-friendly degradation of tert-butyl mercaptan from contaminated soil using bimetallic-modified Fenton process [Volume 5, Issue 1, 2019, Pages 9-21]
Modified Nanoclay Phenol-Contaminated Water Treatment Using Clay Nano Particles in Continuous and Batch Process and Survey the Factors Affected [Volume 10, Issue 3, 2024, Pages 202-217]
MOF Metal-organic framework based on iron doping: Green synthesis and sustainable adsorbent for anionic dye contaminated water [Volume 12, Issue 3, 2026, Pages 256-273]
Molybdenum (Mo) Surface Ignition using ethanol on Mo and Al2O3-TiO2 coated in CI engine for environmental benefits [Volume 7, Issue 1, 2021, Pages 19-27]
Montmorillonite/zinc-oxide (MMT/ZnO) nanocomposite The impact of annealing temperature on photocatalytic degradation performance of rhodamine B by montmorillonite/zinc-oxide nanocomposite [Volume 10, Issue 3, 2024, Pages 187-201]
Moringa Oleifera Studying Effect of Water Quality Parameters on Coagulation Efficiency by Moringa Oleifera Seeds [Volume 1, Issue 1, 2015, Pages 41-47]
Moringa oleifera seeds powder, sugar beet (Beta vulgaris L.) juice, cheap and echo friendly precipitant Moringa oleifera seeds powder as an alternative coagulant for beet sugar juice samples instead of lead acetate [Volume 6, Issue 3, 2020, Pages 139-148]
MoS2 electrocatalyst Electrochemical hydrogenation and desulfurization of thiophenic compounds over MoS2 electrocatalyst using different membrane-electrode assembly [Volume 5, Issue 1, 2019, Pages 23-33]
MTBE Employing response surface analysis using for photocatalytic degradation of MTBE by nanoparticles [Volume 2, Issue 3, 2016, Pages 127-135]
Multi-pollutant adsorbent Optimization of synthesis conditions of amine-functionalized activated rice husk ash for simultaneous removal of methyl orange, nitrate, and phosphate in water [Volume 12, Issue 2, 2026, Pages 243-255]
Multi-Stage Adsorption Study of multi-stage cadmium adsorption by riverine sediments [Volume 6, Issue 4, 2020, Pages 211-221]
Multi-Walled Carbon Nanotubes Toxic metal removal from aqueous solution by advanced Carbon allotropes: a case study from the Sungun Copper Mine [Volume 3, Issue 2, 2017, Pages 77-87]
Multi-Walled Carbon Nanotubes Cu decorated multiwalled carbon nanotubes: Application to electrocatalytic oxidation and determination of 4-nitrophenol in river water samples by square-wave voltammetry [Volume 4, Issue 1, 2018, Pages 51-60]
Multi-Walled Carbon Nanotubes Application and comparison of the performance of multi-wall magnetic carbon nanotubes for removing paclitaxel and gemcitabine from sewage by ‌‌‌adsorption process [Volume 9, Issue 1, 2023, Pages 33-46]
Municipal solid waste Simulation of municipal landfill leachate movement in soil by HYDRUS-1D model [Volume 3, Issue 3, 2017, Pages 177-184]
Municipal Solid Waste Management Optimization of Municipal Solid Waste Landfill Site Selection by Geospatial Analysis in the Ranya District of Iraq [Volume 10, Issue 3, 2024, Pages 218-236]
Municipal wastewater Nutrients removal from raw municipal wastewater using Chlorella vulgaris microalgae [Volume 9, Issue 1, 2023, Pages 47-57]
Municipal wastewater Application of first-order kinetic modelling of municipal wastewater treatment at two stage hybrid constructed wetland [Volume 12, Issue 2, 2026, Pages 232-242]
Municipal wastewater Fuzzy modelling for power generation in constructed wetland-microbial fuel cell during sewage water treatment [Volume 12, Issue 2, 2026, Pages 207-219]
Municipal wastewater treatment plants Mass transfer coefficient of ammonia in the air stripping process for municipal wastewater: An experimental study [Volume 7, Issue 4, 2021, Pages 289-304]
MWCNT Preparation and characterization of MWCNT-COOH/PVC ultrafiltration membranes to use in water treatment [Volume 4, Issue 2, 2018, Pages 95-105]
Mycorrhizae Effect of biochar on nitrogen retention in soil under corn plant inoculated with arbuscular mycorrhizal fungi [Volume 5, Issue 3, 2019, Pages 133-140]

N

Nano-adsorbent Removal of Ni (II) from aqueous solution using modified MCM-41 nano-adsorbents [Volume 5, Issue 3, 2019, Pages 157-169]
Nanocaly Cadmium removal from wastewater using nano-clay/TiO2 composite: kinetics, equilibrium and thermodynamic study [Volume 4, Issue 4, 2018, Pages 203-209]
Nanocellulose Adsorption of fluoride ions from aqueous solution by rice husk based nanocellulose [Volume 9, Issue 3, 2023, Pages 194-214]
Nanocomposite New Chitosan/Ag/Carbacylamidophosphate nanocomposites: Preparation and antibacterial study [Volume 3, Issue 3, 2017, Pages 151-158]
Nanocomposite A Comparative study on photocatalytic degradation of quinalphos pesticide using ZnO/MgO and ZnO/SnO2 nanocomposites [Volume 9, Issue 2, 2023, Pages 124-137]
Nanocomposite Facile synthesis of Ca-(OH)2-Mg nanocomposite and its applications for the removal of manganese from drinking water: A pilot study [Volume 10, Issue 1, 2024, Pages 12-28]
Nanocomposite Easy one-pot synthesis of Zinc Ferrite@Graphitic Carbon Nitride for combined adsorption and photocatalytic degradation of enrofloxacin under visible light [Volume 11, Issue 3, 2025, Pages 254-265]
Nano composite Synthesis, characterization and degradation activity of Methyl orange Azo dye using synthesized CuO/α-Fe2O3 nanocomposite [Volume 2, Issue 3, 2016, Pages 143-151]
Nanofibers Investigation of photocatalytic degradation of 2,4-dichlorophenol by heat treated Fe3O4/TiO2/Ag loaded polycaprolactone/polyethylenglycole electrospun nanofibers [Volume 8, Issue 3, 2022, Pages 169-183]
Nanofibers Harnessing the impact of TiO2 nanotubes, TiO2 nanofibers and their incorporation in polysulfone composite membrane for the photocatalytic degradation of reactive black 5 [Volume 12, Issue 1, 2026, Pages 63-75]
Nanofiltration Decolorization of Ionic Dyes from Synthesized Textile Wastewater by Nanofiltration Using Response Surface Methodology [Volume 1, Issue 2, 2015, Pages 85-92]
Nanofiltration The effects of operating factors on the removal of total ammonia nitrogen and florfenicol antibiotic from synthetic trout fish farm wastewater through nanofiltration [Volume 2, Issue 2, 2016, Pages 95-103]
Nanofiltration Effect of anions interaction on the removal efficiency of nanofilters for the potable water treatment [Volume 2, Issue 4, 2016, Pages 197-205]
Nanoplastics Synergistic Effects of Antibiotics and Nanoplastics in Wastewater: A Growing Challenge in Aquatic Ecosystem, Biodiversity and Human Health Protection [Volume 12, Issue 2, 2026, Pages 174-197]
Nanotubes Harnessing the impact of TiO2 nanotubes, TiO2 nanofibers and their incorporation in polysulfone composite membrane for the photocatalytic degradation of reactive black 5 [Volume 12, Issue 1, 2026, Pages 63-75]
Napropamide sensor Detection of napropamide by microwave resonator sensor using carbon nanotube – polypyrrole- chitosan layer [Volume 2, Issue 4, 2016, Pages 185-195]
National and international SO2 emissions standards A technical and economic assessment of fuel oil hydrotreating technology for steam power plant SO2 and NOx emissions control [Volume 2, Issue 1, 2016, Pages 45-54]
Natural Gas Sweetening Isolation and characterization of sulfur-oxidizing bacteria at the Ilam gas refinery in Iran [Volume 11, Issue 4, 2025, Pages 414-425]
Natural nanozeolite Removal of As(V), Cr(VI) and Pb(II) from aqueous solution using surfactant-modified Sabzevar nanozeolite [Volume 2, Issue 2, 2016, Pages 105-109]
Natural Porous Materials Adsorption of carmoisine and malachite green on silicon dioxide-based stones nanosized by ball milling [Volume 10, Issue 2, 2024, Pages 142-159]
Natural Zeolite Preparation, characterization and photocatalytic degradation of methylene blue by Fe3+ doped TiO2 supported on natural zeolite using response surface methodology [Volume 3, Issue 4, 2017, Pages 205-216]
Neural Network Green technology used in finishing process study of wrinkled cotton fabric by radial basis function (Experimental and modeling analysis) [Volume 5, Issue 1, 2019, Pages 35-45]
Ni-Cd battery Comparison of three culture media for one-step and two-step bioleaching of nickel and cadmium from spent Ni-Cd batteries by Aspergillus niger [Volume 6, Issue 3, 2020, Pages 167-172]
Nickel Removal of Ni (II) from aqueous solution using modified MCM-41 nano-adsorbents [Volume 5, Issue 3, 2019, Pages 157-169]
Nickel Comparison of three culture media for one-step and two-step bioleaching of nickel and cadmium from spent Ni-Cd batteries by Aspergillus niger [Volume 6, Issue 3, 2020, Pages 167-172]
Ni(II) Sorption of Cu(II), Zn(II) and Ni(II) from aqueous solution using activated carbon prepared from olive stone waste [Volume 1, Issue 3, 2015, Pages 147-161]
Nitrate Effect of anions interaction on the removal efficiency of nanofilters for the potable water treatment [Volume 2, Issue 4, 2016, Pages 197-205]
Nitrate Application of SWAT Model to Simulate Nitrate and Phosphate Leaching from Agricultural Lands to Rivers [Volume 6, Issue 1, 2020, Pages 1-17]
Nitrate Efficiency of microalgae cultures for nutrient removal from domestic wastewater [Volume 8, Issue 1, 2022, Pages 73-81]
Nitrate Nitrate removal from aqueous solution: Screening of variables and optimization [Volume 9, Issue 1, 2023, Pages 73-83]
Nitrate leaching Effect of biochar on nitrogen retention in soil under corn plant inoculated with arbuscular mycorrhizal fungi [Volume 5, Issue 3, 2019, Pages 133-140]
Nitrification Using biofilter aerobic reactor for optimizing the hydraulic loading rate in nitrification process for tofu-manufacturing wastewater management [Volume 10, Issue 4, 2024, Pages 326-338]
Nitrogen Dioxide Dispersion modeling of SO2, NO2, and CO emitted from the Sahand thermal power plant using AERMOD software [Volume 12, Issue 1, 2026, Pages 89-102]
Noise Pollution Evaluation and modeling of radiation and noise pollution in the north of the Persian Gulf (Case study: South Pars gas platforms) [Volume 8, Issue 3, 2022, Pages 229-238]
Non-carcinogenic risk Evaluation of the heavy metal risk potential in salts extracted from the Shorbarik River [Volume 10, Issue 2, 2024, Pages 160-169]
Novel adsorbent Modified waste polystyrene as a novel adsorbent for removal of methylene blue from aqueous media [Volume 8, Issue 2, 2022, Pages 83-92]
Numerical modeling Risk assessment of industrial hydrocarbon release and transport in the vadose zone as it travels to groundwater table: A case study [Volume 1, Issue 2, 2015, Pages 77-84]
Nutrient removal Performance evaluation and numerical simulation of vertical subsurface flow constructed wetlands in wastewater treatment [Volume 7, Issue 1, 2021, Pages 37-46]

O

O3 Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
Occupational risk assessment Analysis of Occupational Hazards and Lateral Environmental Pollution in the Construction Phase of Yadavaran Oil Field [Volume 5, Issue 4, 2019, Pages 239-249]
Oelfin plant Using disulfide oil as coke inhibitor to reduce environmental hazards in olefin heaters [Volume 4, Issue 3, 2018, Pages 183-186]
Oil and Non-Oil Economy Relationship between CO2 and Iran's economic growth with an emphasis on household welfare index (an economy with oil and economy without oil) [Volume 6, Issue 2, 2020, Pages 119-130]
Oil pollution Separation of oily pollution from water and wastewater by low cost and reusable composite based on natural fibers [Volume 7, Issue 2, 2021, Pages 91-99]
Oil removal bacteria Isolation, identification and evaluation of oil hydrocarbon decomposing bacteria from contaminated areas of oil fields [Volume 4, Issue 3, 2018, Pages 139-147]
Operational expenditure (OPEX) analysis A pilot study on the removal of ammonia from aqueous solution using the integration of struvite synthesis and breakpoint chlorination [Volume 9, Issue 2, 2023, Pages 85-97]
Optimization Optimization and kinetic evaluation of acid blue 193 degradation by UV/peroxydisulfate oxidation using response surface methodology [Volume 1, Issue 2, 2015, Pages 59-68]
Optimization Biodegradation of malathion by serratia marcescens isolated from Arvandkenar region, Iran [Volume 2, Issue 1, 2016, Pages 55-61]
Optimization Mathematical modeling and optimization of sonication remediation of soil polluted with 2-methylpropane-2-thiol [Volume 1, Issue 3, 2015, Pages 137-146]
Optimization Fast and environmental-friendly degradation of tert-butyl mercaptan from contaminated soil using bimetallic-modified Fenton process [Volume 5, Issue 1, 2019, Pages 9-21]
Optimization Bentazon removal from aqueous solution by reverse osmosis; optimization of effective parameters using response surface methodology [Volume 5, Issue 4, 2019, Pages 193-201]
Optimization Applying a network of high frequency ultrasonic transducers for removal of Reactive Red 120 dye from aqueous solution: experimental design and statistical analysis [Volume 6, Issue 1, 2020, Pages 47-59]
Optimization Reusability, optimization, and adsorption studies of modified graphene oxide in the removal of Direct Red 81 using response surface methodology [Volume 6, Issue 4, 2020, Pages 175-185]
Optimization Optimization of an activated sludge process equipped with a diffused aeration system: Investigating the diffuser density sensitivity [Volume 8, Issue 4, 2022, Pages 255-270]
Optimization Stirred tank reactor with dual impeller Rushton turbine for application of wastewater treatment - Process optimization and CFD simulation [Volume 9, Issue 3, 2023, Pages 174-193]
Optimization Optimization of La-Ce/HZSM-5 catalyst for thermal catalytic cracking of naphtha to light olefins to save energy and reduce CO2 emission [Volume 9, Issue 4, 2023, Pages 310-321]
Optimization Integration of MBBR process with electrocoagulation treatment: An optimization by response surface method [Volume 11, Issue 4, 2025, Pages 246-259]
Optimization Optimization of synthesis conditions of amine-functionalized activated rice husk ash for simultaneous removal of methyl orange, nitrate, and phosphate in water [Volume 12, Issue 2, 2026, Pages 243-255]
Optimum operation time Evaluation of sequencing batch reactor performance for petrochemical wastewater treatment [Volume 3, Issue 3, 2017, Pages 133-137]
Ordered Nanoporous Ordered nanoporous carbon (CMK-3) coated fiber for solid-phase microextraction of benzene and chlorobenzenes in water samples [Volume 4, Issue 1, 2018, Pages 13-22]
Organic contaminants A Comparative study on photocatalytic degradation of quinalphos pesticide using ZnO/MgO and ZnO/SnO2 nanocomposites [Volume 9, Issue 2, 2023, Pages 124-137]
Organic leachate Selection of the best leachate treatment method for the waste of leek fields using Analytic Hierarchy Process (AHP) [Volume 7, Issue 3, 2021, Pages 153-170]
Organic matter Sorption, degradation and leaching of pesticides in soils amended with organic matter: A review [Volume 3, Issue 2, 2017, Pages 119-132]
Organic matter Effect of influent load fluctuation on the efficiency of vertical constructed wetlands treating dairy farm wastewater [Volume 9, Issue 3, 2023, Pages 227-241]
Organic matter Investigation of the physicochemical and microbiological quality of brassware effluents: Insight into the charge of heavy metal and pollutants in wastewater from Fez, Morocco [Volume 10, Issue 1, 2024, Pages 41-54]
Organic waste Optimizing biogas and biofertilizer production from abundant Moroccan industrial organic wastes by the formulation and the use of a fungal inoculum [Volume 7, Issue 4, 2021, Pages 275-287]
Orthogonal Array Designs Ordered nanoporous carbon (CMK-3) coated fiber for solid-phase microextraction of benzene and chlorobenzenes in water samples [Volume 4, Issue 1, 2018, Pages 13-22]
Oxidation Evaluation of LaBO3 (B=Mn, Cr, Mn0.5Cr0.5) perovskites in catalytic oxidation of trichloroethylene [Volume 5, Issue 1, 2019, Pages 1-8]
Ozone Diffusion Effect of controlled parameters in lab-scale system of iron treatment from simulated groundwater with ozone [Volume 8, Issue 1, 2022, Pages 47-56]
Ozone/Ultraviolet Response surface methodology and artificial neural network modeling of reactive red 33 decolorization by O3/UV in a bubble column reactor [Volume 2, Issue 1, 2016, Pages 33-44]

P

P25 Synthesis of nanocomposite based on Semnan natural zeolite for photocatalytic degradation of tetracycline under visible light [Volume 2, Issue 2, 2016, Pages 63-70]
Packing materials A comparative study of the effect of compost/woodchips mixture, natural zeolite and zeolite/activated carbon mixture as packing materials on the biofilter performance [Volume 5, Issue 2, 2019, Pages 67-75]
Paclitaxel Application and comparison of the performance of multi-wall magnetic carbon nanotubes for removing paclitaxel and gemcitabine from sewage by ‌‌‌adsorption process [Volume 9, Issue 1, 2023, Pages 33-46]
Palm kernel waste Xylene removal from dilute solution by palm kernel activated charcoal: Kinetics and equilibrium analysis [Volume 4, Issue 2, 2018, Pages 107-117]
Particulate matter Characterisation and source apportionment of atmospheric particulate matter in an industrial cluster of Western India [Volume 9, Issue 3, 2023, Pages 242-257]
Particulates Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
Patent blue V Degradation of patent blue V using cavity-bubble oxidation reactor induced by glass balls [Volume 9, Issue 1, 2023, Pages 17-31]
Pb(II) and Ni(II) adsorption Kinetic studies of Pb and Ni adsorption onto MCM-41 amine-functionalized nano particle [Volume 1, Issue 2, 2015, Pages 101-104]
Pb/Zn Mine Multivariate and Statistical Approaches for the Source Apportionment and Evaluation of Trace Elements Pollution at Mining Areas (Case study: Mehdi Abad Pb/Zn mine) [Volume 6, Issue 1, 2020, Pages 19-30]
Peaks Factors affecting photocatalytic degradation of Reactive Green-19 with CdO-TiO2 nanocomposite [Volume 7, Issue 3, 2021, Pages 185-194]
Peanut shell Sorption of cd (II) ions by chitosan modified peanut shell biochar from aqueous solution [Volume 5, Issue 4, 2019, Pages 203-211]
Pendimethalin Investigation of the biodegradability of pendimethalin by Bacillus subtilis, Pseudomonas fluorescens, and Escherichia coli [Volume 7, Issue 4, 2021, Pages 221-229]
Performance Improving the combustion and emission characteristics of ISM 370 diesel engine by hydrogen addition and redesigning injection strategy [Volume 4, Issue 2, 2018, Pages 119-129]
Performance Investigation of emissions and performance of diesel engine with the blend of Jatropha Diesterol Fuel using response surface methodology [Volume 6, Issue 3, 2020, Pages 149-159]
Perovskite Evaluation of LaBO3 (B=Mn, Cr, Mn0.5Cr0.5) perovskites in catalytic oxidation of trichloroethylene [Volume 5, Issue 1, 2019, Pages 1-8]
Persian Gulf Evaluation and modeling of radiation and noise pollution in the north of the Persian Gulf (Case study: South Pars gas platforms) [Volume 8, Issue 3, 2022, Pages 229-238]
Persian Gulf Assessing the environmental impact of offshore flares in the Persian Gulf: A comprehensive analysis of SO2 emissions [Volume 11, Issue 1, 2025, Pages 63-74]
Pervaporation membrane reactor Modeling of esterification in a batch reactor coupled with pervaporation for production of ethyl acetate catalyzed by ion- exchange resins [Volume 1, Issue 2, 2015, Pages 69-75]
Pesticide Biodegradation of malathion by serratia marcescens isolated from Arvandkenar region, Iran [Volume 2, Issue 1, 2016, Pages 55-61]
Pesticides Magnetite nanoparticles coated with methoxy polyethylene glycol as an efficient adsorbent of diazinon pesticide from water [Volume 2, Issue 1, 2016, Pages 25-31]
Pesticides Sorption, degradation and leaching of pesticides in soils amended with organic matter: A review [Volume 3, Issue 2, 2017, Pages 119-132]
Petrochemical Plants Treatment of the spent caustic wastewater using g-C3N4/CeFeO3 nanocomposites in a Taylor–Couette photocatalytic reactor [Volume 11, Issue 3, 2025, Pages 341-356]
Petrochemical waste Integrating biomass into petrochemical processes: A review of feedstock options and conversion routes [Volume 11, Issue 4, 2025, Pages 460-475]
Petrochemical wastewater Evaluation of sequencing batch reactor performance for petrochemical wastewater treatment [Volume 3, Issue 3, 2017, Pages 133-137]
Petroleum Biological upgrading of heavy oil cuts using native microbial consortia as an environmental-friendly technology in petroleum refineries [Volume 8, Issue 3, 2022, Pages 215-228]
Petroleum refinery Environmental sustainability enhancement of a petroleum refinery through heat exchanger network retrofitting and renewable energy [Volume 3, Issue 4, 2017, Pages 217-227]
Phase inversion Polydopamine functionalized halloysite nanotubes incorporated polyethersulfone hollow fiber membranes for the removal of arsenic (as-v) from water [Volume 11, Issue 3, 2025, Pages 266-282]
Phenanthrene Characterization and Kinetic study of PAH–degrading Sphingopyxis ummariensis bacteria isolated from a petrochemical wastewater treatment plant [Volume 1, Issue 1, 2015, Pages 1-9]
Phenol Modeling studies for adsorption of phenol and co-pollutants onto granular activated carbon prepared from olive oil industrial waste [Volume 4, Issue 1, 2018, Pages 23-40]
Phenol Phenol-Contaminated Water Treatment Using Clay Nano Particles in Continuous and Batch Process and Survey the Factors Affected [Volume 10, Issue 3, 2024, Pages 202-217]
Phosphate Application of SWAT Model to Simulate Nitrate and Phosphate Leaching from Agricultural Lands to Rivers [Volume 6, Issue 1, 2020, Pages 1-17]
Phosphate Efficiency of microalgae cultures for nutrient removal from domestic wastewater [Volume 8, Issue 1, 2022, Pages 73-81]
Photobioreactor Nutrients removal from raw municipal wastewater using Chlorella vulgaris microalgae [Volume 9, Issue 1, 2023, Pages 47-57]
Photocatalyst Synthesis of nanocomposite based on Semnan natural zeolite for photocatalytic degradation of tetracycline under visible light [Volume 2, Issue 2, 2016, Pages 63-70]
Photocatalyst Photocatalytic degradation of textile dye direct orange 26 by using CoFe2O4/Ag2O [Volume 2, Issue 2, 2016, Pages 77-84]
Photocatalyst Preparation, characterization and photocatalytic degradation of methylene blue by Fe3+ doped TiO2 supported on natural zeolite using response surface methodology [Volume 3, Issue 4, 2017, Pages 205-216]
Photocatalyst Preparation and activity evaluation of n-p CuO/CeO2ZrO2 heterojunction photocatalyst for degradation of organic azo dye in wastewater under visible light irradiation [Volume 7, Issue 2, 2021, Pages 69-78]
Photocatalyst A Comparative study on photocatalytic degradation of quinalphos pesticide using ZnO/MgO and ZnO/SnO2 nanocomposites [Volume 9, Issue 2, 2023, Pages 124-137]
Photocatalytic activity Photocatalytic decolorization of methyl orange dye using nano-photocatalysts [Volume 1, Issue 3, 2015, Pages 121-127]
Photocatalytic degradation Preparation and characterizations of CuO doped ZnO nano-structure for the photocatalytic degradation of 4-chlorophenol under visible light [Volume 2, Issue 1, 2016, Pages 11-24]
Photocatalytic degradation Employing response surface analysis using for photocatalytic degradation of MTBE by nanoparticles [Volume 2, Issue 3, 2016, Pages 127-135]
Photocatalytic degradation Investigation of affecting operational parameters in photocatalytic degradation of reactive red 198 with TiO2: optimization through response surface methodology [Volume 2, Issue 4, 2016, Pages 169-177]
Photocatalytic degradation Degradation of Diazinon from aqueous solution using Silver-modified Clinoptilolite Zeolite in photocatalytic process [Volume 4, Issue 3, 2018, Pages 175-182]
Photocatalytic degradation Three-dimensional simulation of microcapillary and microchannel photo reactors for organic pollutant degradation from contaminated water using computational fluid dynamics [Volume 5, Issue 4, 2019, Pages 229-237]
Photocatalytic degradation A Comparative study on photocatalytic degradation of quinalphos pesticide using ZnO/MgO and ZnO/SnO2 nanocomposites [Volume 9, Issue 2, 2023, Pages 124-137]
Photocatalytic degradation ZnS and ZnS/ZnO assembly for photocatalytic removal of Reactive Red 66 [Volume 9, Issue 3, 2023, Pages 165-173]
Photocatalytic degradation The impact of annealing temperature on photocatalytic degradation performance of rhodamine B by montmorillonite/zinc-oxide nanocomposite [Volume 10, Issue 3, 2024, Pages 187-201]
Photocatalytic Dye Degradation Harnessing the impact of TiO2 nanotubes, TiO2 nanofibers and their incorporation in polysulfone composite membrane for the photocatalytic degradation of reactive black 5 [Volume 12, Issue 1, 2026, Pages 63-75]
Photocatalytic wastewater treatment Photocatalytic treatment of spent caustic wastewater in petrochemical industries [Volume 2, Issue 3, 2016, Pages 153-168]
Photochemical Oxidation/Reduction Catalytic degradation of ammonia and nitrate from wastewater - A critical review [Volume 8, Issue 3, 2022, Pages 239-253]
Photodegradation Synthesis, characterization and degradation activity of Methyl orange Azo dye using synthesized CuO/α-Fe2O3 nanocomposite [Volume 2, Issue 3, 2016, Pages 143-151]
Photodegradation Photocatalytic degradation of methylene blue from aqueous solution using Fe3O4@SiO2@CeO2 core-shell magnetic nanostructure as an effective catalyst [Volume 5, Issue 2, 2019, Pages 127-132]
Photodegradation Removal of pharmaceutical pollutants from aquatic environments using heterogeneous photocatalysis [Volume 8, Issue 4, 2022, Pages 271-278]
Photodegradation Thermal activation and loading of Clay/TiO₂/CTAB composite: physicochemical characterization and adsorption-photodegradation of methyl orange [Volume 11, Issue 2, 2025, Pages 193-206]
PHREEQC geochemical modelling Fabrication of highly reactive MgO-NPs-CaO-hydrous nanocomposite and its application for the removal of manganese from aqueous solution [Volume 8, Issue 4, 2022, Pages 293-309]
Physically activation Olive stone Sorption of Cu(II), Zn(II) and Ni(II) from aqueous solution using activated carbon prepared from olive stone waste [Volume 1, Issue 3, 2015, Pages 147-161]
Physicochemical parameter Geospatial analysis of industrial and agricultural pollution impact on pond water quality in Raipur district, central India [Volume 11, Issue 2, 2025, Pages 164-181]
Physico-chemical parameters Spatio Seasonal Discrepancies in the Physico-chemical Parameters along the Surface Water of Gahirmatha Estuary, East Coast of India in the Bay of Bengal [Volume 5, Issue 3, 2019, Pages 171-183]
Physico-chemical parameters Evaluation of seasonal variation of groundwater quality by using the correlation matrices method in Koppal Taluk, Karnataka, India [Volume 11, Issue 3, 2025, Pages 236-253]
Physiochemical treatment Integration of MBBR process with electrocoagulation treatment: An optimization by response surface method [Volume 11, Issue 4, 2025, Pages 246-259]
Phytochemical A review on water disinfection with plant products- [Volume 9, Issue 4, 2023, Pages 271-293]
Pistia stratiotes Synergistic integration of Kayu apu (Pistia stratiotes) and EM4 for sustainable landfill leachate treatment: A green approach to pollutant reduction [Volume 12, Issue 1, 2026, Pages 123-137]
PM10 Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
PM 2.5 Analysis and zoning of air pollution in urban landscape using different models of spatial analysis (Case study: Tehran) [Volume 5, Issue 3, 2019, Pages 185-191]
PM2.5 Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
PMF Characterisation and source apportionment of atmospheric particulate matter in an industrial cluster of Western India [Volume 9, Issue 3, 2023, Pages 242-257]
Pollutant Nanobioremediation: harnessing chemically modified and biogenic nanoparticles for environmental cleanup [Volume 11, Issue 3, 2025, Pages 300-328]
Pollution Investigation of dissipation flow in the urban Canyon [Volume 1, Issue 3, 2015, Pages 113-120]
Pollution Environmental sustainability of an ecosystem by biotemplated nano Titania [Volume 6, Issue 2, 2020, Pages 91-98]
Pollution Isolation and identification of plastic degrading bacteria from dumpsites Lagos [Volume 8, Issue 1, 2022, Pages 59-71]
Pollution Modeling and evaluation of the environmental consequences of fire in atmospheric storage tanks using PHAST software [Volume 9, Issue 2, 2023, Pages 153-164]
Pollution Geospatial analysis of industrial and agricultural pollution impact on pond water quality in Raipur district, central India [Volume 11, Issue 2, 2025, Pages 164-181]
Polycyclic aromatic hydrocarbons (PAHs) Characterization and Kinetic study of PAH–degrading Sphingopyxis ummariensis bacteria isolated from a petrochemical wastewater treatment plant [Volume 1, Issue 1, 2015, Pages 1-9]
Polydopamine functionalized Halloysite Nanotubes (FHNTs) Polydopamine functionalized halloysite nanotubes incorporated polyethersulfone hollow fiber membranes for the removal of arsenic (as-v) from water [Volume 11, Issue 3, 2025, Pages 266-282]
Polyethersulfone (PES) membrane Cu removal from wastewater using a polyethersulfone- graphene oxide nanoparticles functionalized with chitosan membrane [Volume 11, Issue 3, 2025, Pages 329-340]
Polyethylene Isolation and identification of plastic degrading bacteria from dumpsites Lagos [Volume 8, Issue 1, 2022, Pages 59-71]
Polypyrrole-Chitosan Detection of napropamide by microwave resonator sensor using carbon nanotube – polypyrrole- chitosan layer [Volume 2, Issue 4, 2016, Pages 185-195]
Polysulfone Harnessing the impact of TiO2 nanotubes, TiO2 nanofibers and their incorporation in polysulfone composite membrane for the photocatalytic degradation of reactive black 5 [Volume 12, Issue 1, 2026, Pages 63-75]
Polysulfone membrane Impact of TiO2 and CaCO3 nanoparticles and their incorporation in polysulfone composite membrane on photocatalytic degradation of RB 5 [Volume 10, Issue 4, 2024, Pages 315-325]
Pond water Geospatial analysis of industrial and agricultural pollution impact on pond water quality in Raipur district, central India [Volume 11, Issue 2, 2025, Pages 164-181]
Population balance model CFD with the Population Balance Model for Packed Bed Airlift Reactor with External Loop [Volume 10, Issue 3, 2024, Pages 237-269]
Porous medium Experimental and Mathematical Investigation of Time-Dependence of Contaminant Dispersivity in Soil [Volume 4, Issue 2, 2018, Pages 131-138]
Potable water treatment Effect of anions interaction on the removal efficiency of nanofilters for the potable water treatment [Volume 2, Issue 4, 2016, Pages 197-205]
Potassium peroxydisulfate Optimization and kinetic evaluation of acid blue 193 degradation by UV/peroxydisulfate oxidation using response surface methodology [Volume 1, Issue 2, 2015, Pages 59-68]
Power density Investigating microbial fuel cell performance by developing salt bridge from agar and activated carbon derived from pine cones [Volume 11, Issue 2, 2025, Pages 116-129]
Precursors Factors affecting photocatalytic degradation of Reactive Green-19 with CdO-TiO2 nanocomposite [Volume 7, Issue 3, 2021, Pages 185-194]
Predictive modeling Predictive modeling of biomass production by Chlorella vulgaris in a draft-tube airlift photobioreactor [Volume 2, Issue 3, 2016, Pages 119-126]
Pre-treatment Enhancing biogas production using ultrasound-assisted thermal pretreatment technology for anaerobic co-digestion of sewage sludge and microalgae substrates [Volume 10, Issue 3, 2024, Pages 171-186]
Principal Component Analysis Statistical analysis of tropospheric ozone and its precursors using principal component analysis in an urban area of Surat, India [Volume 7, Issue 1, 2021, Pages 1-10]
Principal Component AnalysisPCA Drinking water quality assessment using water quality index: A case study of the Shahrekord, Iran [Volume 12, Issue 2, 2026, Pages 198-207]
Principal components analysis Analysis of physiochemical and microbial quality of waters of the Karkheh River in southwestern Iran using multivariate statistical methods [Volume 4, Issue 2, 2018, Pages 75-81]
Priority Substances Development and validation of a gas chromatography-tandem mass spectrometry analytical method for the monitoring of ultra-traces of priority substances in surface waters [Volume 6, Issue 2, 2020, Pages 69-81]
Process intensification Degradation of patent blue V using cavity-bubble oxidation reactor induced by glass balls [Volume 9, Issue 1, 2023, Pages 17-31]
Produced water Treatment of wastewater by a combined technique of adsorption, electrocoagulation followed by membrane separation [Volume 7, Issue 3, 2021, Pages 171-183]
Prosopis farcta Multi-objective optimization of pyrolysis process of Prosopis farcta under non-isothermal conditions [Volume 6, Issue 4, 2020, Pages 223-234]
Pseudomonas Aeruginosa Assessment of anti-bacterial activity of non-thermal plasma in sterilization of infectious wastes [Volume 4, Issue 4, 2018, Pages 197-202]
Pseudo-second order model Kinetic studies of Pb and Ni adsorption onto MCM-41 amine-functionalized nano particle [Volume 1, Issue 2, 2015, Pages 101-104]
Puckorius scaling index (PSI) Water’s corrosion and scaling potential prediction using artificial neural networks and gene expression programming in several rural water distribution networks in Kermanshah Province, Iran [Volume 11, Issue 4, 2025, Pages 396-413]
PVC Preparation and characterization of MWCNT-COOH/PVC ultrafiltration membranes to use in water treatment [Volume 4, Issue 2, 2018, Pages 95-105]
Pyrite particulate electrode Effect of mass transport limitation and pyrite particulate on the continuous electro-Fenton process treatment of textile industrial dyek [Volume 8, Issue 4, 2022, Pages 279-292]

R

Raipur Geospatial analysis of industrial and agricultural pollution impact on pond water quality in Raipur district, central India [Volume 11, Issue 2, 2025, Pages 164-181]
Reaction rate constant Removal of metronidazole antibiotic pharmaceutical from aqueous solution using TiO2/Fe2O3/GO photocatalyst: Experimental study on the effects of mineral salts [Volume 5, Issue 1, 2019, Pages 55-65]
Reactive Black 5 Harnessing the impact of TiO2 nanotubes, TiO2 nanofibers and their incorporation in polysulfone composite membrane for the photocatalytic degradation of reactive black 5 [Volume 12, Issue 1, 2026, Pages 63-75]
Reactive Blue 21 Response Surface Methodology for Optimizing Adsorption Process Parameters of Reactive Blue 21 onto Modified Kaolin [Volume 3, Issue 2, 2017, Pages 89-98]
Reactive Orange 16 Effect of mass transport limitation and pyrite particulate on the continuous electro-Fenton process treatment of textile industrial dyek [Volume 8, Issue 4, 2022, Pages 279-292]
Reactive Red 120 Applying a network of high frequency ultrasonic transducers for removal of Reactive Red 120 dye from aqueous solution: experimental design and statistical analysis [Volume 6, Issue 1, 2020, Pages 47-59]
Reactive Red 198 Investigation of affecting operational parameters in photocatalytic degradation of reactive red 198 with TiO2: optimization through response surface methodology [Volume 2, Issue 4, 2016, Pages 169-177]
Reactive red 33 Response surface methodology and artificial neural network modeling of reactive red 33 decolorization by O3/UV in a bubble column reactor [Volume 2, Issue 1, 2016, Pages 33-44]
Reactive Red 66 ZnS and ZnS/ZnO assembly for photocatalytic removal of Reactive Red 66 [Volume 9, Issue 3, 2023, Pages 165-173]
Real surface water treatment A pilot study on the removal of ammonia from aqueous solution using the integration of struvite synthesis and breakpoint chlorination [Volume 9, Issue 2, 2023, Pages 85-97]
Receptor model Characterisation and source apportionment of atmospheric particulate matter in an industrial cluster of Western India [Volume 9, Issue 3, 2023, Pages 242-257]
Recyclability Titanium dioxide Sol–Gel/Zinc oxide Sol–Gel and Titanium dioxide Sol–Gel/powdered Zinc Oxide-coated clay beads in photocatalytic reactor [Volume 12, Issue 3, 2026, Pages 328-340]
Reduction Chitosan supported bimetallic Pd/Co nanoparticles as a heterogeneous catalyst for the reduction of nitroaromatics to amines [Volume 3, Issue 1, 2017, Pages 59-65]
Rejection Enhanced arsenic (V) removal from water using aluminium oxide nanoparticle-incorporated Polyethersulfone hollow fiber membranes [Volume 12, Issue 2, 2026, Pages 220-231]
Remediation Fast and environmental-friendly degradation of tert-butyl mercaptan from contaminated soil using bimetallic-modified Fenton process [Volume 5, Issue 1, 2019, Pages 9-21]
Removal Efficient removal of Ag+ and Cu2+ using imine-modified/mesoporous silica-coated magnetic nanoparticles [Volume 4, Issue 4, 2018, Pages 223-231]
Removal of Cd(II) ions from contaminated water by a new modified magnetic chitosan nano composite Removal of Cd(II) ions from contaminated water by a new modified magnetic chitosan nano composite [Volume 4, Issue 4, 2018, Pages 187-195]
Reservoir Evaluation of some regression models in the prediction of dissolved oxygen and water temperature of the Jarreh Dam, Iran [Volume 11, Issue 2, 2025, Pages 220-235]
Resource recovery. Pyrometallurgy Recycling spent lithium-ion batteries: A holistic approach for addressing environmental challenges and resource recovery [Volume 11, Issue 4, 2025, Pages 357-395]
Respond surface method Synthesis, characterization and degradation activity of Methyl orange Azo dye using synthesized CuO/α-Fe2O3 nanocomposite [Volume 2, Issue 3, 2016, Pages 143-151]
Response surface method Response surface methodology and artificial neural network modeling of reactive red 33 decolorization by O3/UV in a bubble column reactor [Volume 2, Issue 1, 2016, Pages 33-44]
Response surface method Employing response surface analysis using for photocatalytic degradation of MTBE by nanoparticles [Volume 2, Issue 3, 2016, Pages 127-135]
Response surface method Investigation of emissions and performance of diesel engine with the blend of Jatropha Diesterol Fuel using response surface methodology [Volume 6, Issue 3, 2020, Pages 149-159]
Response surface method Multi-objective optimization of pyrolysis process of Prosopis farcta under non-isothermal conditions [Volume 6, Issue 4, 2020, Pages 223-234]
Response surface methodolog Optimization and kinetic evaluation of acid blue 193 degradation by UV/peroxydisulfate oxidation using response surface methodology [Volume 1, Issue 2, 2015, Pages 59-68]
Response surface methodology Modeling and optimization of oil refinery wastewater chemical oxygen demand removal in dissolved air flotation system by response surface methodology [Volume 1, Issue 3, 2015, Pages 129-135]
Response surface methodology Response Surface Methodology for Optimizing Adsorption Process Parameters of Reactive Blue 21 onto Modified Kaolin [Volume 3, Issue 2, 2017, Pages 89-98]
Response surface methodology Studies on optimization of efficient parameters for removal of lead from aqueous solutions by natural zeolite as a low-cost adsorbent using response surface methodology [Volume 3, Issue 2, 2017, Pages 99-108]
Response surface methodology Preparation, characterization and photocatalytic degradation of methylene blue by Fe3+ doped TiO2 supported on natural zeolite using response surface methodology [Volume 3, Issue 4, 2017, Pages 205-216]
Response surface methodology Application of fuzzy modeling and response surface methodology for optimization of cadmium uptake by colpomenia sinosa [Volume 6, Issue 1, 2020, Pages 31-36]
Response surface methodology Applying a network of high frequency ultrasonic transducers for removal of Reactive Red 120 dye from aqueous solution: experimental design and statistical analysis [Volume 6, Issue 1, 2020, Pages 47-59]
Response surface methodology Reusability, optimization, and adsorption studies of modified graphene oxide in the removal of Direct Red 81 using response surface methodology [Volume 6, Issue 4, 2020, Pages 175-185]
Response surface methodology Toxic hydrocarbon removal of contaminated soil using Eisenia fetida with response surface methodology [Volume 7, Issue 3, 2021, Pages 137-151]
Response surface methodology Response surface methodology approach for simultaneous carbon, nitrogen, and phosphorus removal from industrial wastewater in a sequencing batch reactor [Volume 7, Issue 2, 2021, Pages 119-136]
Response surface methodology Response surface methodology analysis of the photodegradation of methyl orange dye using synthesized TiO2/Bentonite/ZnO composites [Volume 8, Issue 1, 2022, Pages 31-46]
Response surface methodology The optimization of reactive black 5 dye removal using Coprinus cinereus peroxidase (CIP) [Volume 10, Issue 2, 2024, Pages 85-101]
Response surface methodology A feasible treatment of carpet-washing wastewater through the electro-fenton process: optimization using response surface methodology [Volume 10, Issue 4, 2024, Pages 374-387]
Response surface methodology Integration of MBBR process with electrocoagulation treatment: An optimization by response surface method [Volume 11, Issue 4, 2025, Pages 246-259]
Response Surface Methodology (RSM) Optimization of fermented rice noodle wastewater treatment using effective microorganisms (EM) [Volume 12, Issue 3, 2026, Pages 274-290]
Return Activated Sludge Effect of operating parameters on the performance of wastewater treatment plant (Case study: The south of Tehran wastewater treatment) [Volume 4, Issue 4, 2018, Pages 211-221]
Reuse Bentazon removal from aqueous solution by reverse osmosis; optimization of effective parameters using response surface methodology [Volume 5, Issue 4, 2019, Pages 193-201]
Reverse osmosis Vertically aligned carbon nanotube membrane: synthesis, characterization and application in salt water desalination [Volume 6, Issue 3, 2020, Pages 173-189]
Review research An in-depth review of sustainable technologies for heavy metal removal from industrial wastewater: Current approaches and prospective challenges [Volume 12, Issue 1, 2026, Pages 1-31]
RhB Degradation Highly efficient sunlight-powered photocatalytic degradation of rhodamine B using Cu2Cr-LDH/TiO2 and Cu2Cr-LDH/BiOCl semiconductor nanocomposites [Volume 12, Issue 3, 2026, Pages 291-307]
River Evaluation of some regression models in the prediction of dissolved oxygen and water temperature of the Jarreh Dam, Iran [Volume 11, Issue 2, 2025, Pages 220-235]
Riverbed Sediments Study of multi-stage cadmium adsorption by riverine sediments [Volume 6, Issue 4, 2020, Pages 211-221]
River water samples Cu decorated multiwalled carbon nanotubes: Application to electrocatalytic oxidation and determination of 4-nitrophenol in river water samples by square-wave voltammetry [Volume 4, Issue 1, 2018, Pages 51-60]
Rotating Packed Bed CO2 Removal from Air in a Countercurrent Rotating Packed Bed, Experimental Determination of Height of Transfer Unit [Volume 1, Issue 1, 2015, Pages 25-30]
Ryznar stability index (RSI) Water’s corrosion and scaling potential prediction using artificial neural networks and gene expression programming in several rural water distribution networks in Kermanshah Province, Iran [Volume 11, Issue 4, 2025, Pages 396-413]

S

Sabzevar zeolite Nitrate removal from aqueous solution: Screening of variables and optimization [Volume 9, Issue 1, 2023, Pages 73-83]
Saccharomyces cerevisiae Optimizing biogas and biofertilizer production from abundant Moroccan industrial organic wastes by the formulation and the use of a fungal inoculum [Volume 7, Issue 4, 2021, Pages 275-287]
Sahand power plant Dispersion modeling of SO2, NO2, and CO emitted from the Sahand thermal power plant using AERMOD software [Volume 12, Issue 1, 2026, Pages 89-102]
Salmas plain Modeling groundwater quality using three novel hybrid support vector regression models [Volume 6, Issue 2, 2020, Pages 99-110]
Saveh City Waste Management Assessment of Landfill Gas Production in Saveh City Using the LandGEM Model: A Comprehensive Analysis [(Articles in Press)]
SBR Performance of sequential batch reactor coupled to physical system for landfill leachate treatment: A pilot scale design [Volume 7, Issue 2, 2021, Pages 79-90]
Scenario Social cost of CO2 emissions in Tehran waste management scenarios and using life cycle assessment to select the scenario with the least impact on global warming [Volume 7, Issue 1, 2021, Pages 11-17]
SDGs Fuzzy modelling for power generation in constructed wetland-microbial fuel cell during sewage water treatment [Volume 12, Issue 2, 2026, Pages 207-219]
SDNR Response surface methodology approach for simultaneous carbon, nitrogen, and phosphorus removal from industrial wastewater in a sequencing batch reactor [Volume 7, Issue 2, 2021, Pages 119-136]
SDS Removal of Manganese from an Aqueous Solution Using Micellar-Enhanced Ultrafiltration (MEUF) with SDS Surfactants [Volume 1, Issue 1, 2015, Pages 17-23]
SDS Thermodynamic study of CO2 hydrate formation in the presence of SDS and graphene oxide nanoparticles [Volume 4, Issue 4, 2018, Pages 233-240]
Selective nitrate removal An experimental study on the effect of composite electrode on the membrane- assisted electrode in CDI and MCDI processes towards nitrate ion selectivity [Volume 8, Issue 3, 2022, Pages 185-201]
SEM Study on the degradation of dicofol via electrochemical oxidation process: simulation and validation [Volume 8, Issue 1, 2022, Pages 1-14]
SEM Application of Taguchi Methodology in adsorption of Malachite Green dye using chemically enhanced Bambusa Tulda (Indian Timber Bamboo) [Volume 9, Issue 2, 2023, Pages 99-111]
Semnan natural zeolite Synthesis of nanocomposite based on Semnan natural zeolite for photocatalytic degradation of tetracycline under visible light [Volume 2, Issue 2, 2016, Pages 63-70]
Separation applications Machine learning-driven advances in polymer membrane science: Emerging trends and future directions [Volume 12, Issue 1, 2026, Pages 32-62]
Septage Treatment of septage using lab-scale hybrid constructed wetland system [Volume 9, Issue 4, 2023, Pages 322-328]
Sequencing Batch Reactor (SBR) Evaluation of sequencing batch reactor performance for petrochemical wastewater treatment [Volume 3, Issue 3, 2017, Pages 133-137]
Serratia marcescens Biodegradation of malathion by serratia marcescens isolated from Arvandkenar region, Iran [Volume 2, Issue 1, 2016, Pages 55-61]
Sewer system maintenance Investigation of thecontrol of the fat, oil and grease in sewer lines and their removal by surfactant treatment [Volume 4, Issue 3, 2018, Pages 155-161]
Shahrekord Drinking water quality assessment using water quality index: A case study of the Shahrekord, Iran [Volume 12, Issue 2, 2026, Pages 198-207]
Shear Sensitivity CFD with the Population Balance Model for Packed Bed Airlift Reactor with External Loop [Volume 10, Issue 3, 2024, Pages 237-269]
Shell and Tube The CO2 removal of flue gas using hollow fiber membrane contactor: a comprehensive modeling and new perspectives [Volume 7, Issue 1, 2021, Pages 47-56]
Simulation Effect of operating parameters on the performance of wastewater treatment plant (Case study: The south of Tehran wastewater treatment) [Volume 4, Issue 4, 2018, Pages 211-221]
Single ring drilling Comparison of environmental risks of drilling operations of cluster and single ring models [Volume 7, Issue 4, 2021, Pages 305-319]
Slaughterhouse wastewater Effect of hydraulic retention time (HRT) in an anaerobic baffled reactor (ABR) on the reduction of BOD and COD in slaughterhouse industrial wastewater [Volume 11, Issue 1, 2025, Pages 1-12]
Sludge drying bed Treatment of septage using lab-scale hybrid constructed wetland system [Volume 9, Issue 4, 2023, Pages 322-328]
SO2 emission Modeling Assessing the environmental impact of offshore flares in the Persian Gulf: A comprehensive analysis of SO2 emissions [Volume 11, Issue 1, 2025, Pages 63-74]
Social cost savings A technical and economic assessment of fuel oil hydrotreating technology for steam power plant SO2 and NOx emissions control [Volume 2, Issue 1, 2016, Pages 45-54]
Sodium alginate Removal of copper (II) from aqueous solutions by sodium alginate/hydroxy apatite hydrogel modified by Zeolite [Volume 3, Issue 4, 2017, Pages 185-192]
Soil enzymes Bio-stimulation of soil enzymes using diammonium phosphate and urea fertilizer on crude oil contaminated sandy-loam soil [Volume 8, Issue 2, 2022, Pages 93-102]
Soil pollution Bio-stimulation of soil enzymes using diammonium phosphate and urea fertilizer on crude oil contaminated sandy-loam soil [Volume 8, Issue 2, 2022, Pages 93-102]
Soil remediation Mathematical modeling and optimization of sonication remediation of soil polluted with 2-methylpropane-2-thiol [Volume 1, Issue 3, 2015, Pages 137-146]
Solid-Phase Microextraction Ordered nanoporous carbon (CMK-3) coated fiber for solid-phase microextraction of benzene and chlorobenzenes in water samples [Volume 4, Issue 1, 2018, Pages 13-22]
Solid retention time Biokinetic coefficients determination of a MBR for styrene and ethylbenzene as substrate base on Andrews model [Volume 2, Issue 4, 2016, Pages 207-214]
Solid-state fermentation Bioremediation of lignocellulosic wastes of food industries by Aspergillus flavus as food and feed additive protein by solid-state fermentation process [Volume 3, Issue 3, 2017, Pages 169-175]
Solid-State method Methanol synthesis catalyst manufacturing using the green solid-state method [Volume 3, Issue 1, 2017, Pages 53-58]
Solid waste Environmental Impact Assessment of Solid Waste Disposal Options in Touristic Islands [Volume 5, Issue 2, 2019, Pages 115-125]
Sonication Mathematical modeling and optimization of sonication remediation of soil polluted with 2-methylpropane-2-thiol [Volume 1, Issue 3, 2015, Pages 137-146]
Sonolysis Chemical synthesis, characterization and application of nanosized ZnO in the treatment of ciprofloxacin formulated aquaculture effluent: COD, kinetics and mechanism [Volume 9, Issue 1, 2023, Pages 1-16]
Sorption Sorption of Cu(II), Zn(II) and Ni(II) from aqueous solution using activated carbon prepared from olive stone waste [Volume 1, Issue 3, 2015, Pages 147-161]
Sorption Sorption, degradation and leaching of pesticides in soils amended with organic matter: A review [Volume 3, Issue 2, 2017, Pages 119-132]
Sorption process Toxic metal removal from aqueous solution by advanced Carbon allotropes: a case study from the Sungun Copper Mine [Volume 3, Issue 2, 2017, Pages 77-87]
South Pars Evaluation and modeling of radiation and noise pollution in the north of the Persian Gulf (Case study: South Pars gas platforms) [Volume 8, Issue 3, 2022, Pages 229-238]
Spatial Analysis Assessing vulnerability of a solid waste management system through GIS and the Rank Sum method: A case study of Durgapur city, India [Volume 11, Issue 1, 2025, Pages 36-62]
Spatial correlation Using spatial statistics to identify drought-prone regions (A case study of Khuzestan Province, Iran) [Volume 7, Issue 4, 2021, Pages 231-262]
Spatial statistics Using spatial statistics to identify drought-prone regions (A case study of Khuzestan Province, Iran) [Volume 7, Issue 4, 2021, Pages 231-262]
Spatial zoning Analysis and zoning of air pollution in urban landscape using different models of spatial analysis (Case study: Tehran) [Volume 5, Issue 3, 2019, Pages 185-191]
Spectrophotometry Magnetite nanoparticles coated with methoxy polyethylene glycol as an efficient adsorbent of diazinon pesticide from water [Volume 2, Issue 1, 2016, Pages 25-31]
Spent Caustic wastewater Photocatalytic treatment of spent caustic wastewater in petrochemical industries [Volume 2, Issue 3, 2016, Pages 153-168]
Spent Caustic wastewater Treatment of the spent caustic wastewater using g-C3N4/CeFeO3 nanocomposites in a Taylor–Couette photocatalytic reactor [Volume 11, Issue 3, 2025, Pages 341-356]
Spherical Activated Carbon Adsorption of hexavalent chromium from aqueous solution using glucose-derived spherical activated carbon: The role of functional groups [Volume 12, Issue 3, 2026, Pages 308-326]
Sphingopyxis ummariensis Characterization and Kinetic study of PAH–degrading Sphingopyxis ummariensis bacteria isolated from a petrochemical wastewater treatment plant [Volume 1, Issue 1, 2015, Pages 1-9]
Square wave voltammetry Cu decorated multiwalled carbon nanotubes: Application to electrocatalytic oxidation and determination of 4-nitrophenol in river water samples by square-wave voltammetry [Volume 4, Issue 1, 2018, Pages 51-60]
Staphylococcus aureus Assessment of anti-bacterial activity of non-thermal plasma in sterilization of infectious wastes [Volume 4, Issue 4, 2018, Pages 197-202]
Starch-based bioplastic Sustainable plastics from renewable resources: A review on starch-based bioplastics [Volume 11, Issue 4, 2025, Pages 476-499]
Statistical analysis Analysis of Occupational Hazards and Lateral Environmental Pollution in the Construction Phase of Yadavaran Oil Field [Volume 5, Issue 4, 2019, Pages 239-249]
Statistical techniques Spatio Seasonal Discrepancies in the Physico-chemical Parameters along the Surface Water of Gahirmatha Estuary, East Coast of India in the Bay of Bengal [Volume 5, Issue 3, 2019, Pages 171-183]
Steam power plant A technical and economic assessment of fuel oil hydrotreating technology for steam power plant SO2 and NOx emissions control [Volume 2, Issue 1, 2016, Pages 45-54]
Storage capacity Thermodynamic study of CO2 hydrate formation in the presence of SDS and graphene oxide nanoparticles [Volume 4, Issue 4, 2018, Pages 233-240]
Strontium Adsorption of Cesium, Strontium, and Rubidium radionuclides in the Mag-molecular process: The influence of important factors [Volume 3, Issue 3, 2017, Pages 139-149]
Styrene Biosorption of styrene from synthetic wastewater by sugar cane waste(Bagass) [Volume 1, Issue 1, 2015, Pages 31-40]
Sugarcane Bagasse Investigating the removal of Mn(II) from water and wastewater using low-cost bio-sorbents: orange peels and sugarcane bagasse [Volume 11, Issue 1, 2025, Pages 13-35]
Sulfide pollutant An investigation of operating conditions on anodic oxidation of synthetic sulfide-containing wastewaters at the surface of a platinum electrode using cyclic voltammetry [Volume 4, Issue 1, 2018, Pages 61-73]
Sulfonation Modified waste polystyrene as a novel adsorbent for removal of methylene blue from aqueous media [Volume 8, Issue 2, 2022, Pages 83-92]
Sulfur Dioxide Dispersion modeling of SO2, NO2, and CO emitted from the Sahand thermal power plant using AERMOD software [Volume 12, Issue 1, 2026, Pages 89-102]
Sulfur-Oxidizing Bacteria Isolation and characterization of sulfur-oxidizing bacteria at the Ilam gas refinery in Iran [Volume 11, Issue 4, 2025, Pages 414-425]
Sunflower seed pulp Adsorptive performance of sunflower seed ash as a novel biosorbent for the elimination of Congo red from aqueous solution [Volume 9, Issue 4, 2023, Pages 258-270]
Sungun Copper Mine Toxic metal removal from aqueous solution by advanced Carbon allotropes: a case study from the Sungun Copper Mine [Volume 3, Issue 2, 2017, Pages 77-87]
Sunlight-Driven Catalysis Highly efficient sunlight-powered photocatalytic degradation of rhodamine B using Cu2Cr-LDH/TiO2 and Cu2Cr-LDH/BiOCl semiconductor nanocomposites [Volume 12, Issue 3, 2026, Pages 291-307]
Surat Statistical analysis of tropospheric ozone and its precursors using principal component analysis in an urban area of Surat, India [Volume 7, Issue 1, 2021, Pages 1-10]
Sustainability Environmental Impact Assessment of Solid Waste Disposal Options in Touristic Islands [Volume 5, Issue 2, 2019, Pages 115-125]
Sustainability Environmental sustainability of an ecosystem by biotemplated nano Titania [Volume 6, Issue 2, 2020, Pages 91-98]
Sustainable Development Miyandoab flood risk mapping using dematel and SAW methods and DPSIR model [Volume 6, Issue 3, 2020, Pages 131-138]
Sustainable Energy in Iran Integrating biomass into petrochemical processes: A review of feedstock options and conversion routes [Volume 11, Issue 4, 2025, Pages 460-475]
Sustainable technology Nanobioremediation: harnessing chemically modified and biogenic nanoparticles for environmental cleanup [Volume 11, Issue 3, 2025, Pages 300-328]
Sustainable technology An in-depth review of sustainable technologies for heavy metal removal from industrial wastewater: Current approaches and prospective challenges [Volume 12, Issue 1, 2026, Pages 1-31]
SWARA Environmental capability assessment for MSW landfill site using geographic information system and multi criteria evaluation [Volume 10, Issue 1, 2024, Pages 29-40]
SWAT Model Application of SWAT Model to Simulate Nitrate and Phosphate Leaching from Agricultural Lands to Rivers [Volume 6, Issue 1, 2020, Pages 1-17]
SWOT Providing a practical Model of the Waste Management Master Plan with Emphasis on Public Participation “Using the SWOT method and the QSPM matrix and the FAHP method” [Volume 5, Issue 2, 2019, Pages 77-96]
Synthetic Dyes Adsorption of carmoisine and malachite green on silicon dioxide-based stones nanosized by ball milling [Volume 10, Issue 2, 2024, Pages 142-159]

T

Taguchi method Nitrate removal from aqueous solution: Screening of variables and optimization [Volume 9, Issue 1, 2023, Pages 73-83]
Taguchi methodology Application of Taguchi Methodology in adsorption of Malachite Green dye using chemically enhanced Bambusa Tulda (Indian Timber Bamboo) [Volume 9, Issue 2, 2023, Pages 99-111]
Tea residue Utilization of tea residue for coloration of wool/acrylic blended yarn [Volume 6, Issue 3, 2020, Pages 161-166]
Tehran Analysis and zoning of air pollution in urban landscape using different models of spatial analysis (Case study: Tehran) [Volume 5, Issue 3, 2019, Pages 185-191]
Tehran city Social cost of CO2 emissions in Tehran waste management scenarios and using life cycle assessment to select the scenario with the least impact on global warming [Volume 7, Issue 1, 2021, Pages 11-17]
Textile Wastewater Decolorization of Ionic Dyes from Synthesized Textile Wastewater by Nanofiltration Using Response Surface Methodology [Volume 1, Issue 2, 2015, Pages 85-92]
Thermal cracking Using disulfide oil as coke inhibitor to reduce environmental hazards in olefin heaters [Volume 4, Issue 3, 2018, Pages 183-186]
Thermally and chemically modification Thermal and chemical modification of bentonite for adsorption of an anionic dye [Volume 4, Issue 1, 2018, Pages 1-12]
Thermodynamics Equilibrium, kinetic and thermodynamic studies on the adsorption of thiocyanate by Steel slag in an Aqueous System [Volume 3, Issue 4, 2017, Pages 193-203]
Thiophenic Electrochemical hydrogenation and desulfurization of thiophenic compounds over MoS2 electrocatalyst using different membrane-electrode assembly [Volume 5, Issue 1, 2019, Pages 23-33]
Ti/IrO2 and Ti/RuO2 Study on the degradation of dicofol via electrochemical oxidation process: simulation and validation [Volume 8, Issue 1, 2022, Pages 1-14]
Time-variable functions Experimental and Mathematical Investigation of Time-Dependence of Contaminant Dispersivity in Soil [Volume 4, Issue 2, 2018, Pages 131-138]
TiO2 Investigation of affecting operational parameters in photocatalytic degradation of reactive red 198 with TiO2: optimization through response surface methodology [Volume 2, Issue 4, 2016, Pages 169-177]
TiO2 Response surface methodology analysis of the photodegradation of methyl orange dye using synthesized TiO2/Bentonite/ZnO composites [Volume 8, Issue 1, 2022, Pages 31-46]
TiO2 Thermal activation and loading of Clay/TiO₂/CTAB composite: physicochemical characterization and adsorption-photodegradation of methyl orange [Volume 11, Issue 2, 2025, Pages 193-206]
TiO2/Fe2O3 Preparation, characterization and photocatalytic degradation of methylene blue by Fe3+ doped TiO2 supported on natural zeolite using response surface methodology [Volume 3, Issue 4, 2017, Pages 205-216]
TiO2/Fe3O4 and TiO2/Fe2O3 nanocomposites Photocatalytic decolorization of methyl orange dye using nano-photocatalysts [Volume 1, Issue 3, 2015, Pages 121-127]
TiO2/ZnO Titanium dioxide Sol–Gel/Zinc oxide Sol–Gel and Titanium dioxide Sol–Gel/powdered Zinc Oxide-coated clay beads in photocatalytic reactor [Volume 12, Issue 3, 2026, Pages 328-340]
TiO2-ZnO-CoO nanoparticles Employing response surface analysis using for photocatalytic degradation of MTBE by nanoparticles [Volume 2, Issue 3, 2016, Pages 127-135]
Titanium dioxide Photocatalytic treatment of spent caustic wastewater in petrochemical industries [Volume 2, Issue 3, 2016, Pages 153-168]
Titanium dioxide Removal of metronidazole antibiotic pharmaceutical from aqueous solution using TiO2/Fe2O3/GO photocatalyst: Experimental study on the effects of mineral salts [Volume 5, Issue 1, 2019, Pages 55-65]
Titanium dioxide Removal of pharmaceutical pollutants from aquatic environments using heterogeneous photocatalysis [Volume 8, Issue 4, 2022, Pages 271-278]
Titanium dioxide Impact of TiO2 and CaCO3 nanoparticles and their incorporation in polysulfone composite membrane on photocatalytic degradation of RB 5 [Volume 10, Issue 4, 2024, Pages 315-325]
Total ammonia nitrogen The effects of operating factors on the removal of total ammonia nitrogen and florfenicol antibiotic from synthetic trout fish farm wastewater through nanofiltration [Volume 2, Issue 2, 2016, Pages 95-103]
Touristic island Environmental Impact Assessment of Solid Waste Disposal Options in Touristic Islands [Volume 5, Issue 2, 2019, Pages 115-125]
Trace Eelements Multivariate and Statistical Approaches for the Source Apportionment and Evaluation of Trace Elements Pollution at Mining Areas (Case study: Mehdi Abad Pb/Zn mine) [Volume 6, Issue 1, 2020, Pages 19-30]
Traffic noise Vehicular noise pollution and its environmental impact in Berhampur, India [Volume 8, Issue 2, 2022, Pages 145-157]
Tropospheric ozone Statistical analysis of tropospheric ozone and its precursors using principal component analysis in an urban area of Surat, India [Volume 7, Issue 1, 2021, Pages 1-10]
Trout fish farm The effects of operating factors on the removal of total ammonia nitrogen and florfenicol antibiotic from synthetic trout fish farm wastewater through nanofiltration [Volume 2, Issue 2, 2016, Pages 95-103]
Turbo-expander Environmental study of waste energy recovery by using exergy and economic analysis in a fluid catalytic cracking unit [Volume 3, Issue 4, 2017, Pages 229-242]

U

Ultrafiltration Removal of Manganese from an Aqueous Solution Using Micellar-Enhanced Ultrafiltration (MEUF) with SDS Surfactants [Volume 1, Issue 1, 2015, Pages 17-23]
Ultrafiltration Preparation and characterization of MWCNT-COOH/PVC ultrafiltration membranes to use in water treatment [Volume 4, Issue 2, 2018, Pages 95-105]
Ultrafiltration Enhanced arsenic (V) removal from water using aluminium oxide nanoparticle-incorporated Polyethersulfone hollow fiber membranes [Volume 12, Issue 2, 2026, Pages 220-231]
Ultrasonic-assisted deposition-precipitation method Photocatalytic decolorization of methyl orange dye using nano-photocatalysts [Volume 1, Issue 3, 2015, Pages 121-127]
Ultrasonic transducer’ s network Applying a network of high frequency ultrasonic transducers for removal of Reactive Red 120 dye from aqueous solution: experimental design and statistical analysis [Volume 6, Issue 1, 2020, Pages 47-59]
Ultrasound A novel method for the synthesis of biodiesel as an eco-friendly and sustainable fuel [Volume 6, Issue 2, 2020, Pages 83-89]
Ultrasound Enhancing biogas production using ultrasound-assisted thermal pretreatment technology for anaerobic co-digestion of sewage sludge and microalgae substrates [Volume 10, Issue 3, 2024, Pages 171-186]
Urban domestic wastewater Eco-friendly solutions for urban wastewater: evaluating constructed wetlands and filtration methods [Volume 11, Issue 2, 2025, Pages 182-194]
Urban landfills Acacia trees-legumes potential for phytoremediation of urban landfill soil in Bonoua (Côte d’Ivoire) [Volume 9, Issue 1, 2023, Pages 59-71]
Urban Solid Waste Management Assessing vulnerability of a solid waste management system through GIS and the Rank Sum method: A case study of Durgapur city, India [Volume 11, Issue 1, 2025, Pages 36-62]
Urban transportation Statistical analysis of tropospheric ozone and its precursors using principal component analysis in an urban area of Surat, India [Volume 7, Issue 1, 2021, Pages 1-10]
UV-light Investigation of affecting operational parameters in photocatalytic degradation of reactive red 198 with TiO2: optimization through response surface methodology [Volume 2, Issue 4, 2016, Pages 169-177]

V

Vapi Characterisation and source apportionment of atmospheric particulate matter in an industrial cluster of Western India [Volume 9, Issue 3, 2023, Pages 242-257]
Vermiremediation Toxic hydrocarbon removal of contaminated soil using Eisenia fetida with response surface methodology [Volume 7, Issue 3, 2021, Pages 137-151]
Vertically aligned carbon nanotube membrane Vertically aligned carbon nanotube membrane: synthesis, characterization and application in salt water desalination [Volume 6, Issue 3, 2020, Pages 173-189]
Vertical sub-surface flow constructed wetland Effect of influent load fluctuation on the efficiency of vertical constructed wetlands treating dairy farm wastewater [Volume 9, Issue 3, 2023, Pages 227-241]
Vetiveria zizanioides Assessing the performance of horizontally flowing subsurface wetland equipped with Vetiveria zizanioides for the treatment of acid mine drainage [Volume 8, Issue 2, 2022, Pages 103-127]
Visible light Preparation and characterizations of CuO doped ZnO nano-structure for the photocatalytic degradation of 4-chlorophenol under visible light [Volume 2, Issue 1, 2016, Pages 11-24]
Visible light Synthesis of nanocomposite based on Semnan natural zeolite for photocatalytic degradation of tetracycline under visible light [Volume 2, Issue 2, 2016, Pages 63-70]
Visible light driven Photocatalytic degradation of methylene blue from aqueous solution using Fe3O4@SiO2@CeO2 core-shell magnetic nanostructure as an effective catalyst [Volume 5, Issue 2, 2019, Pages 127-132]
Volatile Organic Compound Evaluation of LaBO3 (B=Mn, Cr, Mn0.5Cr0.5) perovskites in catalytic oxidation of trichloroethylene [Volume 5, Issue 1, 2019, Pages 1-8]
Volatile organic compounds Biokinetic coefficients determination of a MBR for styrene and ethylbenzene as substrate base on Andrews model [Volume 2, Issue 4, 2016, Pages 207-214]
Voltage Investigating microbial fuel cell performance by developing salt bridge from agar and activated carbon derived from pine cones [Volume 11, Issue 2, 2025, Pages 116-129]

W

Waste Hazard Vulnerability Assessing vulnerability of a solid waste management system through GIS and the Rank Sum method: A case study of Durgapur city, India [Volume 11, Issue 1, 2025, Pages 36-62]
Waste Management Master Plan Providing a practical Model of the Waste Management Master Plan with Emphasis on Public Participation “Using the SWOT method and the QSPM matrix and the FAHP method” [Volume 5, Issue 2, 2019, Pages 77-96]
Waste polystyrene Modified waste polystyrene as a novel adsorbent for removal of methylene blue from aqueous media [Volume 8, Issue 2, 2022, Pages 83-92]
Wastewater The effects of operating factors on the removal of total ammonia nitrogen and florfenicol antibiotic from synthetic trout fish farm wastewater through nanofiltration [Volume 2, Issue 2, 2016, Pages 95-103]
Wastewater Efficient removal of Ag+ and Cu2+ using imine-modified/mesoporous silica-coated magnetic nanoparticles [Volume 4, Issue 4, 2018, Pages 223-231]
Wastewater Optimization of an activated sludge process equipped with a diffused aeration system: Investigating the diffuser density sensitivity [Volume 8, Issue 4, 2022, Pages 255-270]
Wastewater Treatment of septage using lab-scale hybrid constructed wetland system [Volume 9, Issue 4, 2023, Pages 322-328]
Wastewater Study on the performance of wetlands and impact on water quality in a densely populated urban area in Amanaka, Raipur, Chhattisgarh, India [Volume 10, Issue 1, 2024, Pages 1-11]
Wastewater Evaluation of a microbial enzyme complex on the rate of aerobic biodepuration of domestic wastewater [Volume 10, Issue 2, 2024, Pages 131-141]
Wastewater Adsorption of carmoisine and malachite green on silicon dioxide-based stones nanosized by ball milling [Volume 10, Issue 2, 2024, Pages 142-159]
Wastewater Enhanced arsenic (V) removal from water using aluminium oxide nanoparticle-incorporated Polyethersulfone hollow fiber membranes [Volume 12, Issue 2, 2026, Pages 220-231]
Wastewater treatment Decolorization of Ionic Dyes from Synthesized Textile Wastewater by Nanofiltration Using Response Surface Methodology [Volume 1, Issue 2, 2015, Pages 85-92]
Wastewater treatment Efficient treatment of baker’s yeast wastewater using aerobic membrane bioreactor [Volume 1, Issue 3, 2015, Pages 105-111]
Wastewater treatment An investigation of operating conditions on anodic oxidation of synthetic sulfide-containing wastewaters at the surface of a platinum electrode using cyclic voltammetry [Volume 4, Issue 1, 2018, Pages 61-73]
Wastewater treatment Developing a multi-criteria decision support system based on fuzzy analytical hierarchical process (AHP) method for selection of appropriate high-strength wastewater treatment plant [Volume 5, Issue 2, 2019, Pages 99-105]
Wastewater treatment Bentazon removal from aqueous solution by reverse osmosis; optimization of effective parameters using response surface methodology [Volume 5, Issue 4, 2019, Pages 193-201]
Wastewater treatment Performance evaluation and numerical simulation of vertical subsurface flow constructed wetlands in wastewater treatment [Volume 7, Issue 1, 2021, Pages 37-46]
Wastewater treatment Separation of oily pollution from water and wastewater by low cost and reusable composite based on natural fibers [Volume 7, Issue 2, 2021, Pages 91-99]
Wastewater treatment Response surface methodology approach for simultaneous carbon, nitrogen, and phosphorus removal from industrial wastewater in a sequencing batch reactor [Volume 7, Issue 2, 2021, Pages 119-136]
Wastewater treatment Treatment of wastewater by a combined technique of adsorption, electrocoagulation followed by membrane separation [Volume 7, Issue 3, 2021, Pages 171-183]
Wastewater treatment Efficiency of microalgae cultures for nutrient removal from domestic wastewater [Volume 8, Issue 1, 2022, Pages 73-81]
Wastewater treatment Kinetic modelling of moving bed biofilm sequencing batch reactor for treatment of sugar industry effluent [Volume 8, Issue 2, 2022, Pages 129-144]
Wastewater treatment Raw and treated Avokado waste to remove Bemacid Red-ETL dye from aqueous solution: kinetics and theoretical physics modeling [Volume 8, Issue 4, 2022, Pages 311-327]
Wastewater treatment Beet sugar wastewater treatment in a hybrid biological reactor: operational optimization and kinetic coefficients calculation [Volume 9, Issue 4, 2023, Pages 339-350]
Wastewater treatment Phenol-Contaminated Water Treatment Using Clay Nano Particles in Continuous and Batch Process and Survey the Factors Affected [Volume 10, Issue 3, 2024, Pages 202-217]
Wastewater treatment Green synthesis of ZIF-8 nanoparticles for the simultaneous removal of Cd (II) and Sb (III) from contaminated wastewater [Volume 11, Issue 1, 2025, Pages 75-90]
Wastewater treatment Metal-organic framework based on iron doping: Green synthesis and sustainable adsorbent for anionic dye contaminated water [Volume 12, Issue 3, 2026, Pages 256-273]
Wastewater treatment Optimization of fermented rice noodle wastewater treatment using effective microorganisms (EM) [Volume 12, Issue 3, 2026, Pages 274-290]
Water Investigating the removal of Mn(II) from water and wastewater using low-cost bio-sorbents: orange peels and sugarcane bagasse [Volume 11, Issue 1, 2025, Pages 13-35]
Water bamboo Eco-friendly solutions for urban wastewater: evaluating constructed wetlands and filtration methods [Volume 11, Issue 2, 2025, Pages 182-194]
Water disinfection A review on water disinfection with plant products- [Volume 9, Issue 4, 2023, Pages 271-293]
Water jasmine Eco-friendly solutions for urban wastewater: evaluating constructed wetlands and filtration methods [Volume 11, Issue 2, 2025, Pages 182-194]
Water Quality Studying Effect of Water Quality Parameters on Coagulation Efficiency by Moringa Oleifera Seeds [Volume 1, Issue 1, 2015, Pages 41-47]
Water Quality Analysis of physiochemical and microbial quality of waters of the Karkheh River in southwestern Iran using multivariate statistical methods [Volume 4, Issue 2, 2018, Pages 75-81]
Water Quality Hardness and chloride removal in dewatering system: Modeling and optimization of electrochemical reaction [Volume 6, Issue 4, 2020, Pages 251-265]
Water Quality Study on the performance of wetlands and impact on water quality in a densely populated urban area in Amanaka, Raipur, Chhattisgarh, India [Volume 10, Issue 1, 2024, Pages 1-11]
Water Quality Geospatial analysis of industrial and agricultural pollution impact on pond water quality in Raipur district, central India [Volume 11, Issue 2, 2025, Pages 164-181]
Water Quality Evaluation of some regression models in the prediction of dissolved oxygen and water temperature of the Jarreh Dam, Iran [Volume 11, Issue 2, 2025, Pages 220-235]
Water quality index Drinking water quality assessment using water quality index: A case study of the Shahrekord, Iran [Volume 12, Issue 2, 2026, Pages 198-207]
Water Reuse Decolorization of Ionic Dyes from Synthesized Textile Wastewater by Nanofiltration Using Response Surface Methodology [Volume 1, Issue 2, 2015, Pages 85-92]
Water Reuse Separation of oily pollution from water and wastewater by low cost and reusable composite based on natural fibers [Volume 7, Issue 2, 2021, Pages 91-99]
Water treatment Nanostructured Fe2O3/Al2O3 Adsorbent for removal of As (V) from water [Volume 3, Issue 2, 2017, Pages 67-75]
Water treatment Effect of controlled parameters in lab-scale system of iron treatment from simulated groundwater with ozone [Volume 8, Issue 1, 2022, Pages 47-56]
Water-treatment facility Analysis of Chlorine Gas Incident Simulation and Dispersion Within a Complex and Populated Urban Area Via Computation Fluid Dynamics [Volume 1, Issue 1, 2015, Pages 49-58]
Water use Performance evaluation and numerical simulation of vertical subsurface flow constructed wetlands in wastewater treatment [Volume 7, Issue 1, 2021, Pages 37-46]
Wetland Study on the performance of wetlands and impact on water quality in a densely populated urban area in Amanaka, Raipur, Chhattisgarh, India [Volume 10, Issue 1, 2024, Pages 1-11]
Wheat flour Assessing the effects of wheat flour production on the environment [Volume 6, Issue 2, 2020, Pages 111-117]
Wind rose Seasonal variations of gaseous air pollutants (SO2, NO2, O3, CO) and particulates (PM2.5, PM10) in Gazipur: an industrial city in Bangladesh [Volume 6, Issue 4, 2020, Pages 195-209]
WQI Evaluation of seasonal variation of groundwater quality by using the correlation matrices method in Koppal Taluk, Karnataka, India [Volume 11, Issue 3, 2025, Pages 236-253]
Wrinkle development Green technology used in finishing process study of wrinkled cotton fabric by radial basis function (Experimental and modeling analysis) [Volume 5, Issue 1, 2019, Pages 35-45]

Z

Zeolite Studies on optimization of efficient parameters for removal of lead from aqueous solutions by natural zeolite as a low-cost adsorbent using response surface methodology [Volume 3, Issue 2, 2017, Pages 99-108]
Zeolite Removal of copper (II) from aqueous solutions by sodium alginate/hydroxy apatite hydrogel modified by Zeolite [Volume 3, Issue 4, 2017, Pages 185-192]
Zeolite Synthesis of hydroxyapatite-zeolite from blast furnace slag and its application for the removal of copper, lead and copper-lead mixture by adsorption [Volume 10, Issue 4, 2024, Pages 339-359]
Zero-valent iron nanoparticles Toxicity of zero-valent iron nanoparticles and its fate in Zea mays [Volume 5, Issue 3, 2019, Pages 149-156]
ZIF-8 nanoparticles Green synthesis of ZIF-8 nanoparticles for the simultaneous removal of Cd (II) and Sb (III) from contaminated wastewater [Volume 11, Issue 1, 2025, Pages 75-90]
Zinc ferrite (ZnFe2O4) Easy one-pot synthesis of Zinc Ferrite@Graphitic Carbon Nitride for combined adsorption and photocatalytic degradation of enrofloxacin under visible light [Volume 11, Issue 3, 2025, Pages 254-265]
Zinc sulfide Sonocatalysis degradation of methyl orange using zinc sulfide carbon nanotubes nanocatalyst [Volume 3, Issue 4, 2017, Pages 243-248]
Z. mays Toxicity of zero-valent iron nanoparticles and its fate in Zea mays [Volume 5, Issue 3, 2019, Pages 149-156]
Zn(II) Sorption of Cu(II), Zn(II) and Ni(II) from aqueous solution using activated carbon prepared from olive stone waste [Volume 1, Issue 3, 2015, Pages 147-161]
Zn(II) removal Performance of keratin nanoparticle and its magnetic nanocomposite for Zn(II) removal from its aqueous solution [Volume 6, Issue 1, 2020, Pages 37-45]
ZnO nanoparticles Performance, combustion, and emission characteristics of direct injection diesel engine fueled with ZnO dispersed canola oil biodiesel [Volume 8, Issue 2, 2022, Pages 159-168]
ZnS ZnS and ZnS/ZnO assembly for photocatalytic removal of Reactive Red 66 [Volume 9, Issue 3, 2023, Pages 165-173]
ZnS/ZnO heterostructure ZnS and ZnS/ZnO assembly for photocatalytic removal of Reactive Red 66 [Volume 9, Issue 3, 2023, Pages 165-173]

Advances in Environmental Technology

Keyword Index

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z