Iranian Research Organization for Science and Technology Advances in Environmental Technology 2476-6674 12 2 2026 04 01 Fuzzy modelling for power generation in constructed wetland-microbial fuel cell during sewage water treatment 207 219 1672 10.22104/aet.2026.7161.1970 EN Sakshi Gupta Department of Civil Engineering, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India Krishna Kumar Singh Department of Civil Engineering, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India 0000-0002-1644-2837 Rakesh Chandra Vaishya Department of Civil Engineering, Madan Mohan Malaviya University of Technology, Gorakhpur, 273010, India Journal Article 2024 10 11 In developing countries, such as India, hybrid constructed wetlands have proven to be an efficient technology due to their cost-effectiveness in installation, practicality, operation, and maintenance over the past decades. This study explores the integration of fuzzy modeling with hybrid constructed wetlands and Microbial Fuel Cells (MFC) for efficient power generation during sewage water treatment. There exists a significant gap between treated and untreated wastewater in India. MFCs, a cutting-edge technology, are gaining considerable attention worldwide due to their potential benefits in producing bioelectricity from wastewater treatment. Referred to as ‘Green technology’, microbial fuel cells offer an environmentally beneficial method of generating electricity while simultaneously purifying wastewater. MFCs directly convert the inorganic and organic substances present in wastewater into electricity using microorganisms as catalysts. In a standard MFC, a proton exchange membrane separates the anaerobic anode chamber from the aerobic cathode chamber. Electrons, traveling through an external circuit to the cathode chamber, produce electric current and power. Bioelectricity generation depends on the type of MFC, electrode materials, performance, substrates, design, and technological configuration. The choice of electrode material influences current production and power density; materials with high electrical conductivity, such as copper used for the anode and zinc for the cathode, lead to significant current production. In the study, this configuration achieved a power density of 352.125 mW/m^2 corresponding to a current of 2 mA, with removal efficiencies for COD, BOD, phosphates, and TSS at 64.64%, 77.87%, 70%, and 76.82%, respectively. https://aet.irost.ir/article_1672_020ad92bcb3ea15c9b3ca8246ddc2a32.pdf