ORIGINAL_ARTICLE
Removal of Cd(II) ions from contaminated water by a new modified magnetic chitosan nano composite
Magnetic chitosan nanocomposites are one of the more recent advanced groups of adsorbents used to remove contaminants from waste water. In this research, N- Nicotinyl-N', N"-bis (Hexamethylenyl) phosphoric triamide (HE) was used as an additive to form a new nanocomposite with the structure of chitosan / 5% Fe3O4 Nps/10% HE resulting in the highly efficient removal of Cd(II) ions from an aqueous solution. Several techniques were applied to characterize the new-fabricated nanocomposite: X-ray Powder Diffraction (XRD), Energy Dispersive X-ray Spectroscopy (EDX), Field Emission Scanning Electron Microscopy (FE-SEM), Fourier transform infrared (FTIR) and vibrating sample magnetometer (VSM). Atomic Absorption Spectroscopy (AAS) was used to measure the removal percentage of Cd(II) ions from the contaminated water samples. Results showed that 15 mg of the nanocomposite could remove Cd(II) ions with a rate of 99.9% from 20 mL of its 100 ppm aqueous solution in pH=9 with contact time of 1h. Furthermore, the same amount of the nanocomposite was applied to remove Cd(II) ions from 20 mL of a real wastewater sample with a pH=9 and the same contact time. The resulting removal rate of Cd(II) ions was 99.5%.
https://aet.irost.ir/article_792_d922ed8ba72fb921a48c17a9539fa483.pdf
2018-10-01
187
195
10.22104/aet.2019.3258.1159
Removal of Cd(II) ions from contaminated water by a new modified magnetic chitosan nano composite
Nasrin
Oroujzadeh
n_oroujzadeh@irost.ir
1
Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST)
LEAD_AUTHOR
[1] Ali, S. M., Galal, A., Atta, N. F. (2017). Toxic heavy metal ions removal from wastewater by nano-magnetite: Case study Nile river water. Egyptian Journal of Chemistry, 60(4), 601-612.
1
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2
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[12] Fan, L., Luo, C., Li, X., Lu, F., Qiu, H., Sun, M. (2012). Fabrication of novel magnetic chitosan grafted with graphene oxide to enhance adsorption properties for methyl blue. Journal of hazardous materials, 215, 272-279.
12
[13] Fan, L., Luo, C., Lv, Z., Lu, F., Qiu, H. (2011). Removal of Ag+ from water environment using a novel magnetic thiourea-chitosan imprinted Ag+. Journal of hazardous materials, 194, 193-201.
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[14] Wang, Y., Li, L., Luo, C., Wang, X., Duan, H. (2016). Removal of Pb2+ from water environment using a novel magnetic chitosan/graphene oxide imprinted Pb2+. International journal of biological macromolecules, 86, 505-511.
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[15] Feng, Y., Gong, J. L., Zeng, G. M., Niu, Q. Y., Zhang, H. Y., Niu, C. G., Yan, M. (2010). Adsorption of Cd (II) and Zn (II) from aqueous solutions using magnetic hydroxyapatite nanoparticles as adsorbents. Chemical engineering journal, 162(2), 487-494.
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[17] Ashokkumar, M., Sumukh, K. M., Murali, R., Narayanan, N. T., Ajayan, P. M., Thanikaivelan, P. (2012). Collagen–chitosan biocomposites produced using nanocarbons derived from goatskin waste. Carbon, 50(15), 5574-5582.
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[18] Chung, E. Y., Kim, H. M., Lee, G. H., Kwak, B. K., Jung, J. S., Kuh, H. J., Lee, J. (2012). Design of deformable chitosan microspheres loaded with superparamagnetic iron oxide nanoparticles for embolotherapy detectable by magnetic resonance imaging. Carbohydrate polymers, 90(4), 1725-1731.
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[19] Lee, H. U., Song, Y. S., Suh, Y. J., Park, C., Kim, S. W. (2012). Synthesis and characterization of glucose oxidase–core/shell magnetic nanoparticle complexes into chitosan bead. Journal of molecular catalysis B: Enzymatic, 81, 31-36.
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[20] Das, D., Das, N. (2014). Sunlight mediated diesel degradation under saline conditions using ionic silver coated sand via nanoreduction: Use of impregnated form of thiourea modified chitosan membranes for ex situ application. Journal of hazardous materials, 278, 597-609.
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[21] Reddy, D. H. K., Lee, S. M. (2013). Application of magnetic chitosan composites for the removal of toxic metal and dyes from aqueous solutions. Advances in colloid and interface science, 201, 68-93.
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[22] Pan, J., Yao, H., Li, X., Wang, B., Huo, P., Xu, W., Yan, Y. (2011). Synthesis of chitosan/γ-Fe2O3/fly-ash-cenospheres composites for the fast removal of bisphenol A and 2, 4, 6-trichlorophenol from aqueous solutions. Journal of hazardous materials, 190(1-3), 276-284.
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[23] Yan, H., Yang, L., Yang, Z., Yang, H., Li, A., Cheng, R. (2012). Preparation of chitosan/poly (acrylic acid) magnetic composite microspheres and applications in the removal of copper (II) ions from aqueous solutions. Journal of hazardous materials, 229, 371-380.
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[24] Li, J., Zhang, Y., Shen, F., Yang, Y. (2012). Comparison of magnetic carboxymethyl chitosan nanoparticles and cation exchange resin for the efficient purification of lysine-tagged small ubiquitin-like modifier protease. Journal of chromatography B, 907, 159-162.
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[25] Chauhan, N., Narang, J., Pundir, C. S. (2012). An amperometric glutathione biosensor based on chitosan–iron coated gold nanoparticles modified Pt electrode. International journal of biological macromolecules, 51(5), 879-886.
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[26] Liu, L., Xiao, L., Zhu, H., Shi, X. (2012). Preparation of magnetic and fluorescent bifunctional chitosan nanoparticles for optical determination of copper ion. Microchimica acta, 178(3-4), 413-419.
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[27] Ma, W., Ya, F. Q., Han, M., Wang, R. (2007). Characteristics of equilibrium, kinetics studies for adsorption of fluoride on magnetic-chitosan particle. Journal of hazardous materials, 143(1-2), 296-302.
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[28] Miretzky, P., Cirelli, A. F. (2009). Hg (II) removal from water by chitosan and chitosan derivatives: a review. Journal of hazardous materials, 167(1-3), 10-23.
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[29] Liu, X., Hu, Q., Fang, Z., Zhang, X., Zhang, B. (2008). Magnetic chitosan nanocomposites: a useful recyclable tool for heavy metal ion removal. Langmuir, 25(1), 3-8.
29
[30] Oroujzadeh, N., Rezaei Jamalabadi, S. (2016). Fabrication of a novel magnetic nanocomposite to remove Cu (II) ions from contaminated water. Phosphorus, Sulfur, and Silicon and the related elements, 191(11-12), 1501-1503.
30
[31] Kim, H. R., Jang, J. W., Park, J. W. (2016). Carboxymethyl chitosan-modified magnetic-cored dendrimer as an amphoteric adsorbent. Journal of hazardous materials, 317, 608-616.
31
[32] Monier, M., Ayad, D. M., Abdel-Latif, D. A. (2012). Adsorption of Cu (II), Cd (II) and Ni (II) ions by cross-linked magnetic chitosan-2-aminopyridine glyoxal Schiff's base. Colloids and Surfaces B: Biointerfaces, 94, 250-258.
32
[33] Wu, X., Hu, L. (2016). Design and synthesis of peptide conjugates of phosphoramide mustard as prodrugs activated by prostate-specific antigen. Bioorganic and medicinal chemistry, 24(12), 2697-2706.
33
[34] Gholivand, K., Oroujzadeh, N., Erben, M. F., Della Védova, C. O. (2009). Synthesis, spectroscopy, computational study and prospective biological activity of two novel 1, 3, 2-diazaphospholidine-2, 4, 5-triones. Polyhedron, 28(3), 541-547.
34
[35] Gholivand, K., Oroujzadeh, N., Afshar, F. (2010). New organotin (IV) complexes of nicotinamide, isonicotinamide and some of their novel phosphoric triamide derivatives: Syntheses, spectroscopic study and crystal structures. Journal of organometallic chemistry, 695(9), 1383-1391.
35
[36] Oroujzadeh, N., Gholivand, K., Jamalabadi, N. R. (2017). New carbacylamidophosphates containing nicotinamide: Synthesis, crystallography and antibacterial activity. Polyhedron, 122, 29-38.
36
[37] Gholivand, K., Molaei, F., Oroujzadeh, N., Mobasseri, R., Naderi-Manesh, H. (2014). Two novel Ag (I) complexes of N-nicotinyl phosphoric triamide derivatives: Synthesis, X-ray crystal structure and in vitro antibacterial and cytotoxicity studies. Inorganica chimica acta, 423, 107-116.
37
[38] Oroujzadeh, N., Rezaei Jamalabadi, S. (2016). New nanocomposite of N-nicotinyl, N′, N ″-bis (tert-butyl) phosphorictriamide based on chitosan: Fabrication and antibacterial investigation. Phosphorus, Sulfur, and Silicon and the related elements, 191(11-12), 1572-1573.
38
[39] Gholivand, K., Oroujzadeh, N., Shariatinia, Z. (2010). N-2, 4-dichlorobenzoyl phosphoric triamides: Synthesis, spectroscopic and X-ray crystallography studies. Journal of chemical sciences, 122(4), 549-559.
39
[40] Gholivand, K., Oroujzadeh, N., Shariatinia, Z. (2010). New phosphoric triamides: Chlorine substituents effects and polymorphism. Heteroatom chemistry: An international journal of main group elements, 21(3), 168-180.
40
[41] Oroujzadeh, N., Gholivand, K. (2016). New organophosphorus compounds containing nicotinamide: Synthesis, structure and DFT calculations. Journal of the Iranian chemical society, 13(5), 847-857.
41
[42] Gholivand, K., Oroujzadeh, N., Rajabi, M. (2012). New N-nicotinyl and N-isonicotinyl, N′, N ″-diaryl phosphorictriamides with new Er (III) complex: synthesis, spectroscopic study and crystal structures. Journal of the Iranian chemical society, 9(6), 865-876.
42
[43] Monier, M., Ayad, D. M., Wei, Y., Sarhan, A. A. (2010). Adsorption of Cu (II), Co (II), and Ni (II) ions by modified magnetic chitosan chelating resin. Journal of hazardous materials, 177(1-3), 962-970.
43
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[45] Oroujzadeh, N. (2017). New Chitosan/Ag/ Carbacylamidophosphate nanocomposites: Preparation and antibacterial study. Advances in environmental technology, 3, 151-157.
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[46] Wang, N., Xu, X., Li, H., Zhai, J., Yuan, L., Zhang, K., Yu, H. (2016). Preparation and application of a xanthate-modified thiourea chitosan sponge for the removal of Pb (II) from aqueous solutions. Industrial and engineering chemistry research, 55(17), 4960-4968.
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[47] Monier, M., Ayad, D. M., Abdel-Latif, D. A. (2012). Adsorption of Cu (II), Cd (II) and Ni (II) ions by cross-linked magnetic chitosan-2-aminopyridine glyoxal Schiff's base. Colloids and Surfaces B: Biointerfaces, 94, 250-258.
47
[48] Yang, G., Tang, L., Lei, X., Zeng, G., Cai, Y., Wei, X., Zhang, Y. (2014). Cd (II) removal from aqueous solution by adsorption on α-ketoglutaric acid-modified magnetic chitosan. Applied surface science, 292, 710-716.
48
ORIGINAL_ARTICLE
Assessment of anti-bacterial activity of non-thermal plasma in sterilization of infectious wastes
In today's world, the production of hospital wastes and their adverse effects such as infectious outbreaks and resistance to treatment is an important issue. Therefore, it's vital to find a new and efficient method to manage such wastes. In this study, the ability of dielectric barrier discharge (DBD) plasma to deactivate Pseudomonas aeruginosa and Staphylococcus aureus bacteria was assessed. The bacteria were treated with DBD plasma after cultivation in liquid milieu, and then dried in a sterile air stream. The results showed that for both bacteria, the number of deactivated colonies increased proportionally to the time of treatment. First, it occurred rapidly, and then the number of active colonies decreased at a slower speed. Also, increasing the plasma duty cycle in the same treatment time led to more deactivated colonies. This increase was more significant in the Pseudomonas aeruginosa bacteria, and changes for the Staphylococcus aureus was slight.
https://aet.irost.ir/article_808_30b7de7112dfb5308425f89c3dd8d4e9.pdf
2018-10-01
197
202
10.22104/aet.2019.3251.1160
Dielectric barrier discharge
Cold Plasma
Pseudomonas Aeruginosa
Staphylococcus aureus
Maryam
Pazoki
mpazoki@ut.ac.ir
1
School of Environment, College of Engineering, University of Tehran, Tehran, Iran
LEAD_AUTHOR
Fatemeh
Rahnama
rahnama@ut.ac.ir
2
School of Environment, College of Engineering, University of Tehran, Tehran, Iran
AUTHOR
Rouzbeh
Abbaszadeh
abbaszadeh@irost.ir
3
Department of agriculture engineering, Agriculture Research Institute, Iranian Research Organization for Science and Technology, Tehran, Iran
AUTHOR
Ehsan
mirabdollah
e.mirabdollah@ut.ac.ir
4
School of Environment, College of Engineering, University of Tehran, Tehran, Iran
AUTHOR
[1] Hoveidi, H., Pari, M. A., HosseinVahidi, M. P., Koulaeian, T. (2013). Industrial waste management with application of RIAM environmental assessment: a case study on toos industrial state, Mashhad. energy environ, 4(2), 142-149
1
[2] Pazoki, M., Abdoli, M. A., Karbassi, A., Mehrdadi, N., Yaghmaeian, K. (2014). Attenuation of municipal landfill leachate through land treatment. Journal of environmental health science and engineering, 12(1), 12.
2
[3] Karbassi, A., Pazoki, M. (2015). Optimization of coagulation/flocculation for treatment of wastewater. Journal of environmental teatment techniques, 3(2), 170-174.
3
[4] Pazoki, M., Yavari, M. A., Noorani, M., Abbasifard, M. (2015). Identification of hazardous waste and its impact on environmental sustainable development.
4
[5] Pazoki, M., Parsa, M., Farhadpour, R. (2016). Removal of the hormones dexamethasone (DXM) by Ag doped on TiO2 photocatalysis. Journal of environmental chemical engineering, 4(4), 4426-4434.
5
[6] Moss, C., Isley, M. M. (2015). Sterilization: a review and update. Obstetrics and gynecology cinics, 42(4), 713-724.
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[7] Omran, A. V., Sohbatzadeh, F., Siadati, S. N., Colagar, A. H., Akishev, Y., Arefi-Khonsari, F. (2017). Single channel atmospheric pressure transporting plasma and plasma stream demultiplexing: physical characterization and application to E. coli bacteria inactivation. Journal of physics D: Applied physics, 50(31), 315202.
7
[8] Sandle, T. (2013). Sterility, sterilisation and sterility assurance for pharmaceuticals: technology, validation and current regulations. Elsevier.
8
[9] O'connor, N., Cahill, O., Daniels, S., Galvin, S., Humphreys, H. (2014). Cold atmospheric pressure plasma and decontamination. Can it contribute to preventing hospital-acquired infections? Journal of hospital infection, 88(2), 59-65.
9
[10] Colagar, A. H., Alavi, O., Motallebi, S., Sohbatzadeh, F. (2016). Decontamination of Streptococcus pyogenes and Escherichia coli from solid surfaces by singlet and triplet atmospheric pressure plasma jet arrays. Arabian journal for science and engineering, 41(6), 2139-2145.
10
[11] Mortazavi, S. M., Hosseinzadeh Colagar, A., Sohbatzadeh, F. (2016). The Efficiency of the Cold Argon-oxygen Plasma jet to reduce Escherichia coli and Streptococcus pyogenes from solid and liquid ambient. Iranian journal of medical microbiology, 10(3), 19-30.
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[12] Moisan, M., Barbeau, J., Moreau, S., Pelletier, J., Tabrizian, M., Yahia, L. H. (2001). Low-temperature sterilization using gas plasmas: a review of the experiments and an analysis of the inactivation mechanisms. International journal of pharmaceutics, 226(1-2), 1-21.
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[13] Bárdos, L., Baránková, H. (2010). Cold atmospheric plasma: Sources, processes, and applications. Thin solid films, 518(23), 6705-6713.
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[14] Izard, J., Rivera, M. (Eds.). (2014). Metagenomics for microbiology. Elsevier science
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[15] Quah, S. R., Cockerham, W. C. (2016). International Encyclopedia of Public Health: Elsevier Science.
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[16] Choi, J. H., Han, I., Baik, H. K., Lee, M. H., Han, D. W., Park, J. C., Lim, Y. S. (2006). Analysis of sterilization effect by pulsed dielectric barrier discharge. Journal of electrostatics, 64(1), 17-22.
16
[17] Colagar, A. H., Sohbatzadeh, F., Mirzanejhad, S., Omran, A. V. (2010). Sterilization of Streptococcus pyogenes by afterglow dielectric barrier discharge using O2 and CO2 working gases. Biochemical engineering journal, 51(3), 189-193.
17
[18] Sohbatzadeh, F., Colagar, A. H., Mirzanejhad, S., Mahmodi, S. (2010). E. coli, P. aeruginosa, and B. cereus bacteria sterilization using afterglow of non-thermal plasma at atmospheric pressure. Applied biochemistry and biotechnology, 160(7), 1978-1984.
18
[19] Joshi, S. G., Cooper, M., Yost, A., Paff, M., Ercan, U. K., Fridman, G., Brooks, A. D. (2011). Nonthermal dielectric-barrier discharge plasma-induced inactivation involves oxidative DNA damage and membrane lipid peroxidation in Escherichia coli. Antimicrobial agents and chemotherapy, 55(3), 1053-1062.
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[20] Deng, S., Cheng, C., Ni, G., Meng, Y., Chen, H. (2008). Bacterial inactivation by atmospheric pressure dielectric barrier discharge plasma jet. Japanese journal of applied physics, 47(8S2), 7009.
20
[21] Lu, H., Patil, S., Keener, K. M., Cullen, P. J., Bourke, P. (2014). Bacterial inactivation by high‐voltage atmospheric cold plasma: influence of process parameters and effects on cell leakage and DNA. Journal of applied microbiology, 116(4), 784-794.
21
[22] Calvo, T., Alvarez-Ordóñez, A., Prieto, M., Bernardo, A., López, M. (2017). Stress adaptation has a minor impact on the effectivity of Non-Thermal Atmospheric Plasma (NTAP) against Salmonella spp. Food research international, 102, 519-525.
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[25] Daeschlein, G., Scholz, S., Ahmed, R., von Woedtke, T., Haase, H., Niggemeier, M., Juenger, M. (2012). Skin decontamination by low-temperature atmospheric pressure plasma jet and dielectric barrier discharge plasma. Journal of hospital infection, 81(3), 177-183.
25
ORIGINAL_ARTICLE
Cadmium removal from wastewater using nano-clay/TiO2 composite: kinetics, equilibrium and thermodynamic study
In this research, commercial nano-clay (NC) was modified with TiO2 functional groups and characterized via XRD and FTIR methods. The modified nano-clay was applied as an adsorbent for the removal of cadmium from wastewater solutions. The effects of the operating parameters including initial pH, cadmium concentration and adsorbent concentration were analyzed by the Taguchi method. The optimum conditions for cadmium removal by the nanoclay/TiO2 composite were an initial feed pH of 6, an initial concentration of 30 mg/L, and an adsorbent concentration of 4.5 g/L. Under these conditions, nearly 90% of the cadmium ions were removed by modified nano-clay after one hour. The equilibrium results showed that the Freundlich model could well fit the experimental data, and this indicated the multilayer adsorption process. The adsorption capacity of the nano-clay for cadmium improved from 8.92 mg/g to 16.20 mg/g by modification with TiO2. The kinetic data were analyzed using the pseudo-first order, pseudo-second-order, and intraparticle kinetics models. Thermodynamic studies indicated the exothermic and spontaneously nature of the adsorption process.
https://aet.irost.ir/article_794_a9599c2c0af4dd6c62a43c82da2ad6e3.pdf
2018-10-01
203
209
10.22104/aet.2019.3029.1149
Nanocaly
Adsorption
Cadmium
Modification
Hakimeh
Sharififard
hakimeh.sharifi@gmail.com
1
Chemical Engineering Department, Yasouj University, Yasouj, Iran
LEAD_AUTHOR
mohaddeseh
Ghorbanpour
m.chemist2012@gmail.com
2
Chemical Engineering Department, Yasouj University, Yasouj, Iran
AUTHOR
Somayeh
Hosseinirad
s.hosseinirad@gmail.com
3
Polymer Department, Urmia University, Urmia, Iran
AUTHOR
[1] Mehrabi, N., Soleimani, M., Yeganeh, M. M., Sharififard, H. (2015). Parameter optimization for nitrate removal from water using activated carbon and composite of activated carbon and Fe2O3 nanoparticles. RSC Advances,5(64), 51470-51482.
1
[2] Sharififard, H., Soleimani, M. (2015). Performance comparison of activated carbon and ferric oxide-hydroxide–activated carbon nanocomposite as vanadium (V) ion adsorbents. RSC Advances,5(98), 80650-80660
2
[3] Bergaoui, M., Nakhli, A., Benguerba, Y., Khalfaoui, M., Erto, A., Soetaredjo, F. E Ernst, B. (2018). Novel insights into the adsorption mechanism of methylene blue onto organo-bentonite: Adsorption isotherms modeling and molecular simulation. Journal of molecular liquids,272, 697-707.
3
[4] Hwang, J., Joss, L., Pini, R. (2019). Measuring and modelling supercritical adsorption of CO2 and CH4 on montmorillonite source clay. Microporous and Mesoporous Materials,73, 107-121.
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[5] Salam, M. A., Kosa, S. A., Al-Beladi, A. A. (2017). Application of nanoclay for the adsorptive removal of Orange G dye from aqueous solution. Journal of molecular liquids,241, 469-477.
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[6] Almasri, D. A., Rhadfi, T., Atieh, M. A., McKay, G., Ahzi, S. (2018). High performance hydroxyiron modified montmorillonite nanoclay adsorbent for arsenite removal. Chemical engineering journal,335, 1-12.
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[7] Mishra, A., Mehta, A., Sharma, M., Basu, S. (2017). Enhanced heterogeneous photodegradation of VOC and dye using microwave synthesized TiO2/Clay nanocomposites: A comparison study of different type of clays. Journal of alloys and compounds,694, 574-580.
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[8] Mishra, A., Mehta, A., Kainth, S., Basu, S. (2018). Effect of different plasmonic metals on photocatalytic degradation of volatile organic compounds (VOCs) by bentonite/M-TiO2 nanocomposites under UV/visible light. Applied clay science,153, 144-153.
8
[9] Razzaz, A., Ghorban, S., Hosayni, L., Irani, M., Aliabadi, M. (2016). Chitosan nanofibers functionalized by TiO2 nanoparticles for the removal of heavy metal ions. Journal of the Taiwan institute of chemical engineers,58, 333-343.
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[10] Ismail, A. A., El-Midany, A. A., Ibrahim, I. A., Matsunaga, H. (2008). Heavy metal removal using SiO2-TiO2 binary oxide: experimental design approach. Adsorption, 14(1), 21-29.
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[11] Lee, Y. C., Yang, J. W. (2012). Self-assembled flower-like TiO2 on exfoliated graphite oxide for heavy metal removal. Journal of industrial and engineering chemistry,18(3), 1178-1185.
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[12] Bouazizi, A., Breida, M., Achiou, B., Ouammou, M., Calvo, J. I., Aaddane, A., Younssi, S. A. (2017). Removal of dyes by a new nano–TiO2 ultrafiltration membrane deposited on low-cost support prepared from natural Moroccan bentonite. Applied clay science,149, 127-135.
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[13] Nwankwo, U., Bucher, R., Ekwealor, A. B. C., Khamlich, S., Maaza, M., Ezema, F. I. (2019). Synthesis and characterizations of rutile-TiO2 nanoparticles derived from chitin for potential photocatalytic applications. Vacuum,161, 49-54.
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[14] MiarAlipour, S., Friedmann, D., Scott, J., Amal, R. (2018). TiO2/porous adsorbents: Recent advances and novel applications. Journal of hazardous materials,341, 404-423.
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[15] Yin, X., Meng, X., Zhang, Y., Zhang, W., Sun, H., Lessl, J. T., Wang, N. (2018). Removal of V (V) and Pb (II) by nanosized TiO2 and ZnO from aqueous solution. Ecotoxicology and environmental safety, 164, 510-519.
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[16] Sharma, M., Singh, J., Hazra, S., Basu, S. (2019). Adsorption of heavy metal ions by mesoporous ZnO and TiO2@ ZnO monoliths: adsorption and kinetic studies. Microchemical journal,145, 105-112.
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[21] Fischer, R.A., (1925). Statistical methods for research workers, Oliver and Boyd, London.
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[22] Sharififard, H., Nabavinia, M., Soleimani, M. (2017). Evaluation of adsorption efficiency of activated carbon/chitosan composite for removal of Cr (VI) and Cd (II) from single and bi-solute dilute solution. Advances in environmental technology,2(4), 215-227.
22
[23] Bayat, B. (2002). Comparative study of adsorption properties of Turkish fly ashes: I. The case of nickel (II), copper (II) and zinc (II). Journal of hazardous materials,95(3), 251-273.
23
[24] Azouaou, N., Sadaoui, Z., Djaafri, A., Mokaddem, H. (2010). Adsorption of cadmium from aqueous solution onto untreated coffee grounds: Equilibrium, kinetics and thermodynamics. Journal of hazardous materials,184(1-3), 126-134.
24
[25] Wang, F. Y., Wang, H., Ma, J. W. (2010). Adsorption of cadmium (II) ions from aqueous solution by a new low-cost adsorbent—Bamboo charcoal. Journal of hazardous materials,177(1-3), 300-306.
25
[26] Van, H. T., Nguyen, L. H., Nguyen, X. H., Nguyen, T. H., Nguyen, T. V., Vigneswaran, S., Tran, H. N. (2018). Characteristics and mechanisms of cadmium adsorption onto biogenic aragonite shells-derived biosorbent: Batch and column studies. Journal of environmental management, 241, 535-548.
26
[27] Jeon, C. (2018). Adsorption behavior of cadmium ions from aqueous solution using pen shells. Journal of industrial and engineering chemistry,58, 57-63.
27
[28] Asuquo, E. D., Martin, A. D. (2016). Sorption of cadmium (II) ion from aqueous solution onto sweet potato (Ipomoea batatas L.) peel adsorbent: characterisation, kinetic and isotherm studies. Journal of environmental chemical engineering,4(4), 4207-4228.
28
ORIGINAL_ARTICLE
Effect of operating parameters on the performance of wastewater treatment plant (Case study: The south of Tehran wastewater treatment)
Despite the fact that there are wastewater treatment plants (WWTPs) currently operational across Iran and great advances have been made in this area, there are still problems in the design, construction, and operation of WWTPs with large nonlinear systems, varying flow rates, and pollution charges. The objective of this study was to investigate the effect of operating parameters including the return activated sludge (RAS) ratio, internal recycle (IR) ratio and dissolved oxygen (DO) concentration in an activated sludge system for the Modules 5&6 of the Southern Tehran WWTP. This study designed and simulated a plant based on the activated sludge model No.1 (ASM1) to determine the factors affecting wastewater treatment systems; then, the kinetic parameters were measured. The kinetic parameters such as the yield coefficient (Y), decay coefficient (Kd), maximum specific growth rate (K), and saturation constant (Ks) were in the range of 0.303-0.331g/g, 0.030-0.033d-1, 1.65-1.93d-1 and 37.6-44.92mg/l, respectively. The RAS ratios, IR ratios, and DO concentration varied from 0.2 to 2, 1 to 3.5, and 0.27 to 3.54 mg/l, respectively. The amount of RAS had the greatest impact on the effluent. The amounts of IR and DO concentration had no significant effect on the concentration of the five-day biochemical oxygen demand (BOD5), chemical oxygen demand (COD), and total suspended solids (TSS) in the effluent. After the RAS, the amount of IR had the most direct effect on reducing the effluent total nitrogen (TN) concentration. As a result, the overall removal efficiency increased up to 75% when the IR rate was 200% of the influent flow rate, the RAS rate was 90% of the influent flow rate, and the DO concentration in the first aeration unit was 2 mg/l considering the aeration cost. Therefore, proper operating parameters can provide the best quality of effluent that meets environmental standards.
https://aet.irost.ir/article_819_2b498b67cec0dad6ce1a4343d15c34a8.pdf
2018-10-01
211
221
10.22104/aet.2019.3371.1167
Simulation
Activated Sludge Model No.1
Return Activated Sludge
Internal Recycle Flow
Dissolved Oxygen Concentration
Mina
Rafati
m.rafati@merc.ac.ir
1
Materials and Energy Research Center, Karaj, Iran
AUTHOR
Mohammad
Pazouki
mpazouki@merc.ac.ir
2
Materials and Energy Research Center, Karaj, Iran
LEAD_AUTHOR
Hossein
Ghadamian
h.ghadamian@merc.ac.ir
3
Materials and Energy Research Center, Karaj, Iran
AUTHOR
Azarmidokht
Hosseinnia
azarmidokht2001@yahoo.com
4
Materials and Energy Research Center, Karaj, Iran
AUTHOR
Ali
Jalilzadeh
ali.jalilzadeh@gmail.com
5
Arman Tadbir Palayesh Consulting Engineer Company, Tehran, Iran
AUTHOR
[1] Najafpour, G., Sadeghpour, M., Lorestani, Z. A. (2007). Determination of kinetic parameters in activated sludge process for domestic wastewater treatment plant. Chemical industry and chemical engineering quarterly/CICEQ, 13(4), 211-215.
1
[2] Ekama, G. A., Sötemann, S. W., Wentzel, M. C. (2007). Biodegradability of activated sludge organics under anaerobic conditions. Water research, 41(1), 244-252.
2
[3] Emamjomeh, M. M., Tari, K., Jamali, H. A., Karyab, H., Hosseinkhani, M. (2017). Quality assessment of wastewater treatment plant effluents for discharge into the environment and reuse. Journal of Mazandaran university of medical sciences, 26(145), 283-292.
3
[4] Henze, M., Gujer, W., Mino, T., van Loosdrecht, M. C. (2000). Activated sludge models ASM1, ASM2, ASM2d and ASM3. IWA publishing.
4
[5] Mirbagheri, S., Saberi, S., Kalhor, K., Vakilian, R. (2014). Efficiency assessment of conventional and innovative wastewater treatment methods – case study: ekbatan wastewater treatment plant. The 7th Conference and Exhibition on Environmental Engineering (p. Verbally). Tehran: University of Tehran.
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[6] Pons, M. N., Mourot, G., Ragot, J. (2011). Modeling and simulation of a carrousel for long-term operation. IFAC Proceedings Volumes, 44(1), 3806-3811.
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[7] Zhang, Q. H., Yang, W. N., Ngo, H. H., Guo, W. S., Jin, P. K., Dzakpasu, M., Ao, D. (2016). Current status of urban wastewater treatment plants in China. Environment international, 92, 11-22
7
[8] Han, X., Zuo, Y. T., Hu, Y., Zhang, J., Zhou, M. X., Chen, M., Liu, A. L. (2018). Investigating the performance of three modified activated sludge processes treating municipal wastewater in organic pollutants removal and toxicity reduction. Ecotoxicology and environmental safety, 148, 729-737.
8
[9] Hosseini, B., Darzi, N. G., Sadeghpour, M., Asadi, M. (2008). The effect of the sludge recycle ratio in an activated sludge system for the treatment of Amol's industrial park wastewater. Chemical industry and chemical engineering quarterly/CICEQ, 96 14(3), 173-180.
9
[10] Noori, Z. (2018). Investigation of effluent quality of ekbatan wastewater treatment plant for farm and green space irrigation. Journal of land management 6(1) 95-102.
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[11] Sewage Company, (2019). https://ts.tpww.ir/p18. Retrieved from https://ts.tpww.ir.
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[12] APHA. (2005). Standard methods for the examination of water wastewater, Volume 21. Washington, DC: American public health association.
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[13] Takács, I., Patry, G. G., Nolasco, D. (1991). A dynamic model of the clarification-thickening process. Water research, 25(10), 1263-1271.
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[14] Derakhshan, Z., Mahvi, A. H., Ghaneian, M. T., Mazloomi, S. M., Faramarzian, M., Dehghani, M., Bahrami, S. (2018). Simultaneous removal of atrazine and organic matter from wastewater using anaerobic moving bed biofilm reactor: A performance analysis. Journal of environmental management, 209, 515-524.
14
[15] Faridnasr, M., Ghanbari, B., Sassani, A. (2016). Optimization of the moving-bed biofilm sequencing batch reactor (MBSBR) to control aeration time by kinetic computational modeling: simulated sugar-industry wastewater treatment. Bioresource technology, 208, 149-160.
15
[16] Du, X. J., Hao, X. H., Li, H. J., Ma, Y. W. (2011). Study on modelling and simulation of wastewater biochemical treatment activated sludge process. Asian journal of chemistry, 23(10), 4457.
16
[17] Alex, J., Benedetti, L., Copp, J., Gernaey, K. V., Jeppsson, U., Nopens, I., Vanrolleghem, P. (2008). Benchmark simulation model no. 1 (BSM1). Report by the IWA Taskgroup on benchmarking of control strategies for WWTPs, 19-20.
17
[18] Mardani, S., Mirbagheri, A., Amin, M., Ghasemian, M. (2011). Determination of biokinetic coefficients for activated sludge processes on municipal wastewater. Journal of environmental health Science Engineering, 8(1), 25-34.
18
[19] Metcalf, L., Eddy, H. (2003). Wastewater engineering: treatment, disposal, and reuse. New York: McGraw-Hill.
19
[20] Abyar, H., Younesi, H., Bahramifar, N., Zinatizadeh, A. A., Amini, M. (2017). Kinetic evaluation and process analysis of COD and nitrogen removal in UAASB bioreactor. Journal of the Taiwan institute of chemical engineers, 78, 272-281.
20
[21] Noroozi, A., Farhadian, M., Solaimanynazar, A. (2016). Kinetic coefficients for the domestic wastewater treatment using hybrid activated sludge process. Desalination and water treatment, 57(10), 4439-4446.
21
[22] Kordkandi, S. A., Khoshfetrat, A. B., Faramarzi, A. (2018). Performance modelling of a partially-aerated submerged fixed-film bioreactor: Mechanistic analysis versus semi data-driven method. Journal of industrial and engineering chemistry, 61, 398-406.
22
[23] Naghizadeh, A., Mahvi, A. H., Mesdaghinia, A. R., Sarkhosh, M. (2008, October). Bio-kinetic paramters in municipal wastewater treatment with a submerged membrane Reactor (SMBR). In proceeding of 12th national congress of environmental health.
23
[24] Mohammadi, P., Khashij, M., Takhtshahi, A., Mousavi, S. A. (2016). Performance Evaluation and Biokinetic Coefficients Determination of Activated Sludge Process of Sanandaj Wastewater Treatment Plant. Safety promotion and injury prevention, 4(2), 109-116.
24
[25] Sadeghi, M., Fadaei, A., Kheiri, S., Najafi-Chaleshtori, A., Shakeri, K. (2014). Investigation on bio kinetic coefficients for making biological treatment of wastewater treatment plants in cold region. Journal of Shahrekord uuniversity of medical sciences, 15. 41-52
25
[26] Delnavaz, M. (2017). Application of mathematical models for determination of microorganisms growth rate Kinetic coefficients for wastewater treatment plant evaluation. Journal of environmental health engineering, 4(3), 268-257.
26
[27] Noshadi, M., Ahadi, A. (2017). Determination of Kinetic coefficient of Shiraz municipal of wastewater treatment plant by batch reactor. Journal of civil and environmental engineering, 47, 63-73.
27
[28] "Environmental criteria for Reuse of recycle waters and treated wastewaters" (2011) related to participation "Iran Water Resources Management Company" (IWRMC) and" Country Management and Planning Organization" (CMAPO). Publication No. 535, Chapter 6, 85-110 (in Farsi).
28
[29] Basim, K., Ahmed, M. (2018). The Effect of MLSS values on removal of COD and phosphorus using control method of return activated sludge concentration. Journal of engineering and applied sciences, 13(22), 9730-9734.
29
[30] Hosseini, B., Darzi, N. G., Sadeghpour, M., Asadi, M. (2008). The effect of the sludge recycle ratio in an activated sludge system for the treatment of Amol's industrial park wastewater. Chemical industry and chemical engineering quarterly/CICEQ, 14(3), 173-180.
30
[31] Baeza, J. A., Gabriel, D., Lafuente, J. (2004). Effect of internal recycle on the nitrogen removal efficiency of an anaerobic/anoxic/oxic (A2/O) wastewater treatment plant (WWTP) Process biochemistry, 39(11), 1615-1624.
31
[32] Chen, Y. Z., Peng, Y. Z., Wang, J. H., Zhang, L. C. (2011). Effect of internal recycle ratio on nitrogen and phosphorus removal characteristics in A2/O-BAF process. Huan jing ke xue= Huanjing kexue, 32(1), 193-198.
32
[33] Ahn, Y. T., Kang, S. T., Chae, S. R., Lim, J. L., Lee, S. H., Shin, H. S. (2005). Effect of internal recycle rate on the high-strength nitrogen wastewater treatment in the combined UBF/MBR system. Water science and technology, 51(10), 241-247.
33
[34] Huang, J. S., Chou, H. H., Chen, C. M., Chiang, C. M. (2007). Effect of recycle-to-influent ratio on activities of nitrifiers and denitrifiers in a combined UASB–activated sludge reactor system. Chemosphere, 68(2), 382-388.
34
[35] Du, X., Wang, J., Jegatheesan, V., Shi, G. (2018). Dissolved oxygen control in activated sludge process using a neural network-based adaptive pid algorithm. Applied sciences, 8(2), 261.
35
[36] Meng, F., Yang, A., Zhang, G., Wang, H. (2017). Effects of dissolved oxygen concentration on photosynthetic bacteria wastewater treatment: Pollutants removal, cell growth and pigments production. Bioresource technology, 241, 993-997.
36
ORIGINAL_ARTICLE
Efficient removal of Ag+ and Cu2+ using imine-modified/mesoporous silica-coated magnetic nanoparticles
The present work focuses on the synthesis and application of imine-modified silica-coated magnetic (IM-SCM) nanoparticles. The X-ray diffraction (XRD) tests indicated the presence of highly crystalline cubic spinel magnetite both before and after coating with the silica. The FTIR spectra also proved the successful surface coating and imine-modification of the Fe3O4 nanoparticles. Further investigations were performed to examine the capability of the modified IM-SCM nanoparticles for simultaneous removal of Ag+ and Cu2+ from the water samples. Atomic absorption spectrometry was used for ion determination. The best operating conditions for removing the target ions were a pH=5-9 and a stirring time=30 min. Only 20 mL of 3M nitric acid was used for stripping the ions using the IM-SCM nanoparticles. The resulting data were found to fit well with the Langmuir model, and the maximum capacity of the adsorbent was determined to be 270.3 (± 1.4) mg and 256.4 (± 0.9) mg of Ag+ and Cu2+ /g of IM-SCM, respectively. The adsorbent was successfully used for simultaneously removing the target ions from the wastewater samples.
https://aet.irost.ir/article_839_aa159af08fbc030684fd56e54f325ea6.pdf
2018-10-01
223
231
10.22104/aet.2019.3324.1164
Ag+
Cu2+
Imine-modified silica-coated magnetic nanoparticles
Removal
Wastewater
Hadis
Shooshtary
hadisshooshtary@gmail.com
1
Department of Chemistry, Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
AUTHOR
Leila
Hajiaghababaei
lhajiaghababaei@yahoo.com
2
Department of Chemistry, Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch, Islamic Azad University, Tehran, Iran
LEAD_AUTHOR
Alireza
Badiei
abadiei@khayam.ut.ac.ir
3
School of Chemistry, College of Science, University of Tehran, Tehran, Iran
AUTHOR
Mohammad Reza
Ganjali
ganjali@khayam.ut.ac.ir
4
Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran
AUTHOR
Ghodsi
Mohammadi Ziarani
gmohammadi@alzahra.ac.ir
5
Department of Chemistry, Alzahra University, Tehran, Iran
AUTHOR
[1] Dubey, S., Banerjee, S., Upadhyay, S. N., Sharma, Y. C. (2017). Application of common nano-materials for removal of selected metallic species from water and wastewaters: A critical review. Journal of molecular liquids, 240, 656-677.
1
[2] Kanani, N., Bayat, M., Shemirani, F., Ghasemi, J. B., Bahrami. Z., Badiei, A. (2018). Synthesis of magnetically modified mesoporous nanoparticles and their application in simultaneous determination of Pb(II), Cd(II) and Cu(II). Research on chemical intermediates, 44(3), 1688-1709.
2
[3] Vojoudi, H., Badiei, A., Banaei, A., Bahar, S., Karimi, S., Ziarani, G. M., Ganjali, M. R. (2017). Extraction of gold, palladium and silver ions using organically modified silica-coated magnetic nanoparticles and silica gel as a sorbent. Microchimica acta, 184(10), 3859-3866.
3
[4] Vojoudi, H., Badiei, A., Amiri, A., Banaei, A., Mohammadi Ziarani, G., Schenk-Joß, K. (2018). Efficient device for the benign removal of organic pollutants from aqueous solutions using modified mesoporous magnetite nanostructures. Journal of physics and chemistry of solids, 113, 210-219.
4
[5] Poursaberi, T., Ghanbarnejad, H., Akbar, V. (2012). Selective magnetic removal of Pb(II) from aqueous solution by porphyrin linked-magnetic nanoparticles, Journal of nanostructures, 2(4), 417-426.
5
[6] Kakaei, A., Kazemeini, M. (2016). Removal of Cd (II) in water samples using modified magnetic Iron oxide nanoparticle. Iranian journal of toxicology, 10, 9-14.
6
[7] Lam, K. F., Yeung, K. L., Mckay, J. (2007). Selective mesoporous adsorbents for Cr2O72- and Cu2+ separation. Microporous and mesoporous materials, 100, 191-201.
7
[8] Hajiaghababaei, L., Badaei, A., Ganjali, M. R., Heydari, S., Khaniani, Y., Mohammadi Ziarani, G. (2011). Highly efficient removal and preconcentration of lead and cadmium cations from water and wastewater samples using ethylenediamine functionalized SBA-15. Desalination, 266(1-3), 182-187.
8
[9] Hajiaghababaei, L., Ghasemi, B., Badiei, A., Goldooz, H., Ganjali, M. R., Mohammadi Ziarani, G. (2012). Aminobenzenesulfonamide functionalized SBA-15 nanoporous molecular sieve: A new and promising adsorbent for preconcentration of lead and copper ions. Journal of environmental science, 24(7), 1347-1354.
9
[10] Hajiaghababaei, L., Badiei, A., Shojaan, M., Ganjali, M. R., Mohammadi Ziarani, G., Zarabadi-Poor, P. (2012). A novel method for the simple and simultaneous preconcentration of Pb2+, Cu2+ and Zn2+ ions with aid of diethylenetriamine functionalized SBA-15 nanoporous silica compound. International journal of environmental analytical chemistry, 92(12), 1352-1364.
10
[11] Hajiaghababaei, L., Tajmiri, T., Badiei, A., Ganjali, M. R., Khaniani, Y., Mohammadi Ziarani, G. (2013). Heavy metals determination in water and food samples after preconcentration by a new nanoporous adsorbent. Food chemistry, 141(3), 1916-1922.
11
[12] Ganjali, M. R., Hajiaghababaei, L., Badaei, A., Saberyan, K., Salavati-Niasari, M., Mohammadi Ziarani, G., Behbahani, S. M. R. (2006). A novel method for fast enrichment and monitoring of hexavalent and trivalent chromium at the ppt level with modified silica MCM-41 and its determination by inductively coupled plasma optical emission spectrometry. Quimica nova, 29(3), 440-443.
12
[13] Ganjali, M. R., Hajiaghababaei, L., Norouzi, P., Pourjavid, M. R., Badaei, A., Saberyan, K., Ghannadimaragheh, M., Salavati-Niasari, M., Ziarani, G. M. (2005). Novel method for the fast separation and purification of molybdenum(VI) from fission products of uranium with aminofunctionalized Mesoporous molecular sieves (AMMS) modified by dicyclohexyl‐18‐crown‐6 and S‐N tetradentate Schiff's base. Analytical letter, 38(11), 1813-1821.
13
[14] Ganjali, M. R., Hajiaghababaei, L., Badaei, A., Ziarani G. M., Tarlani, A. (2004). Novel method for fast preconcentration and monitoring of a ppt level of lead and copper with a modified hexagonal mesoporous silica compound and inductively coupled plasma atomic emission spectrometry. Analytical science, 20, 725-729.
14
[15] Lim, M. H., Stein, A. (1999). Comparative studies of grafting and direct syntheses of inorganic−organic Hybrid Mesoporous materials. Chemistry of materials, 11(11), 3285-3295.
15
[16] Ho, K. Y., Mckay, G., Yeung, K. L. (2003). Selective adsorbents from ordered mesoporous silica. langmuir, 19(7), 3019-3024.
16
[17] Hajiaghababaei, L., Abozari, S., Badiei, A., Zarabadi Poor, P., Dehghan Abkenar, S., Ganjali, M. R., Mohammadi Ziarani, G. (2017). Amino ethyl-functionalized SBA-15: A promising adsorbent for anionic and cationic dyes removal. Iranian journal of chemistry and chemical engineering (IJCCE), 36(1), 97-108.
17
[18] Habibi, S., Hajiaghababaei, L., Badiei, A., Yadavi, M., Abkenar, S. D., Ganjali, M. R., Ziarani, G. M. (2017). Removal of reactive black 5 from water using carboxylic acid-grafted SBA-15 nanorods. Desalination and water treatment, 95, 333-341.
18
[19] Ju, Y. H., Webb, O. F., Dai, S., Lin, J. S., Barnes, C. E. (2000). Synthesis and characterization of ordered mesoporous anion-exchange inorganic/organic hybrid resins for radionuclide separation. Industrial and engineering chemistry research, 39(2), 550-553.
19
[20] Lee, B., Bao, L. L., Im, H. J., Dai, S., Hagaman, E. W., Lin, J. S. (2003). Synthesis and characterization of organic− inorganic hybrid mesoporous anion-exchange resins for perrhenate (ReO4-) Anion adsorption. Langmuir, 19(10), 4246-4252.
20
[21] Fryxell, G. E., Liu, J., Hauser, T. A., Nie, Z., Ferris, K. F., Mattigod, S., Hallen, R. T. (1999). Design and synthesis of selective mesoporous anion traps. Chemistry of materials, 11(8), 2148-2154.
21
[22] Vojoudi, H., Badiei, A., Amiri, A., Banaei, A., Ziarani, G. M., & Schenk-Joß, K. (2018). Pre-concentration of Zn (II) ions from aqueous solutions using meso-porous pyridine-enrobed magnetite nanostructures. Food chemistry, 257, 189-195.
22
[23] Vojoudi, H., Badiei, A., Bahar, S., Ziarani, G. M., Faridbod, F., Ganjali, M. R. (2017). A new nano-sorbent for fast and efficient removal of heavy metals from aqueous solutions based on modification of magnetic mesoporous silica nanospheres. Journal of magnetism and magnetic materials, 441, 193-203
23
[24] Saad, A. H. A., Azzam, A. M., El-Wakeel, S. T., Mostafa, B. B., El-latif, M. B. A. (2018). Removal of toxic metal ions from wastewater using ZnO@ Chitosan core-shell nanocomposite. Environmental nanotechnology, monitoring and management, 9, 67-75.
24
[25] Wang, X., Guo, Y., Yang, L., Han, M., Zhao, J., Cheng, X. (2012). Nanomaterials as sorbents to remove heavy metal ions in wastewater treatment.Journal of environmental and analytical toxicology, 2(7), 154.
25
[26] Langmuir, I. (1918). The adsorption of gases on plane surfaces of glass, mica and platinum. Journal of the American chemical society, 40(9), 1361-1403.
26
[27] Freundlich, H. M. F. (1906). Over the adsorption in solution. Journal of physical chemistry, 57, 385-470.
27
[28] Temkin, M. I. (1940). Kinetics of ammonia synthesis on promoted iron catalysts. Acta physiochim. URSS, 12, 327-356.
28
[29] Kikuchi, Y., Qian, Q., Machida, M., Tatsumoto, H. (2006). Effect of ZnO loading to activated carbon on Pb (II) adsorption from aqueous solution. Carbon, 44(2), 195-202.
29
[30] Jeon, C. (2017). Adsorption of silver ions from industrial wastewater using waste coffee grounds. Korean journal of chemical engineering, 34(2), 384-391.
30
[31] Jintakosol, T., Nitayaphat, W. (2016). Adsorption of silver (I) from aqueous solution using chitosan/montmorillonite composite beads. Materials research, 19(5), 1114-1121.
31
[32] Jalilian, N., Ebrahimzadeh, H., Asgharinezhad, A. A., Molaei, K. (2017). Extraction and determination of trace amounts of gold (III), palladium (II), platinum (II) and silver (I) with the aid of a magnetic nanosorbent made from Fe3O4-decorated and silica-coated graphene oxide modified with a polypyrrole-polythiophene copolymer. Microchimica acta, 184(7), 2191-2200.
32
ORIGINAL_ARTICLE
Thermodynamic study of CO2 hydrate formation in the presence of SDS and graphene oxide nanoparticles
Gas consumption rate is an important factor in the kinetic study of gas hydrate formation. In this study, the kinetic of the hydrate formation was examined in water + carbon dioxide + graphene oxide and water + carbon dioxide + graphene oxide + sodium dodecyl sulfate (SDS) systems. The experiments are carried out at 0.05 and 0.1%of graphene oxide nanoparticle weight and 400 PPM SDS solution at 3.6 MPa and 4 MPa pressures and temperatures of 275.65, 277.65, and 279.65 K. The results show that as the pressure rises, graphene oxide is responsible for the increase in the storage capacity and gas consumption at constant temperature so that using graphene oxide at 0.1% weight increases the storage capacity by 4.2% and molar gas consumption by 3.8% at the pressure of 3.4 MPa compared to the 0.1% weight. When the surfactant, SDS with the concentration of 400 ppm, is used, storage capacity and gas consumption increase by 38% and 26%, respectively.
https://aet.irost.ir/article_840_2f22a1caf22bb98c0afee25ba4af6f48.pdf
2018-10-01
233
240
10.22104/aet.2019.3397.1169
Clathrate hydrate
Graphene Oxide
Storage capacity
SDS
Gas Consumption
hamid
sarlak
sarlak_86@yahoo.com
1
Department of Chemical engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
AUTHOR
alireza
azimi
alireza_azimi550@yahoo.com
2
Department of Chemical engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
LEAD_AUTHOR
mostafa
tabatabaee ghomshe
mostafa.tabatabaee@yahoo.com
3
Department of Chemical engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
AUTHOR
Masoomeh
Mirzaei
m.mirzaei@mhriau.ac.ir
4
Department of Chemical engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
AUTHOR
[1] Xia, Z., Li, Z. Y., Cai, J., Zhang, Y., Wang, Y., Yan, K., Li, X. (2019). Gas Hydrate Formation Process for Simultaneously Capture of CO2 and H2S. Energy procedia, 158, 5705-5710.
1
[2] Sloan, E. D., Koh, C. A. (2007). Clathrate hydrates of natural gases, 3rd edn. CRC.
2
[3] Rahimi, M. R., Mosleh, S. (2015). CO2 removal from air in a countercurrent rotating packed bed, experimental determination of height of transfer unit. Advances in environmental technology, 1(1), 25-30.
3
[4] Sloan Jr, E. D., Koh, C. A. (2007). Clathrate hydrates of natural gases. CRC press.
4
[5] Mohammadi, A. (2017). Semicompletion time of carbon dioxide uptake in the process of gas hydrate formation in presence and absence of SDS and silver nanoparticles. Petroleum science and technology, 35(1), 37-44.
5
[6] Zheng, J., Loganathan, N. K., Linga, P. (2019). Natural gas storage via clathrate hydrate formation: Effect of carbon dioxide and experimental conditions. Energy procedia, 158, 5535-5540.
6
[7] Shen, X. D., Shi, L. L., Long, Z., Zhou, X. B., Liang, D. Q. (2016). Experimental study on the kinetic effect of N-butyl-N-methylpyrrolidinium bromide on CO2 hydrate. Journal of molecular lquids, 223, 672-677.
7
[8] Yang, M., Jing, W., Wang, P., Jiang, L., Song, Y. (2015). Effects of an additive mixture (THF+ TBAB) on CO2 hydrate phase equilibrium. Fluid phase equilibria, 401, 27-33.
8
[9] Mohammadi, M., Haghtalab, A., Fakhroueian, Z. (2016). Experimental study and thermodynamic modeling of CO2 gas hydrate formation in presence of zinc oxide nanoparticles. The journal of chemical thermodynamics, 96, 24-33.
9
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