Enhancing microbial fuel cell performance for sustainable treatment of palm oil mill wastewater using carbon cloth anode coated with activated carbon

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作   者：

Aun Ng C.;  Chew S.N.;  Bashir M.J.K.;  Abunada Z.;  Wong J.W.C.;  Habila M.A.;  Khoo K.S.; 

作者机构：

School of Engineering & Technology Central Queensland University Coastal Marine Ecosystems Research Centre (CMERC);  Department of Chemical Engineering and Materials Science Yuan Ze University||Centre for Herbal Pharmacology and Environmental Sustainability Chettinad Hospital and Research Institute Chettinad Academy of Research and Education;  Faculty of Engineering and Green Technology Universiti Tunku Abdul Rahman||Department of Chemical Engineering and Materials Science Yuan Ze University;  Research Centre for Eco-environmental Engineering Dongguan University of Technology;  Department of Chemistry College of Science King Saud University;  Faculty of Engineering and Green Technology Universiti Tunku Abdul Rahman; 

关键词：

Microbial fuel cells;  Anode and cathode distance;  Bioenergy;  Hydraulic retention time;  Wastewater treatment; 

期刊名称：

International journal of hydrogen energy

i s s n：

0360-3199

年卷期：

2024 年 52 卷 Jan. Pt.D 期

页   码：

1092-1104

页   码：

摘   要：

? 2023 Hydrogen Energy Publications LLCMicrobial fuel cells (MFCs) are a viable source of clean and renewable energy from wastewater and gaining attention on a global scale. Thus, this research work focuses on the energy production from high-strength palm oil mill wastewater using MFCs. A state-of-the-art technique for improving the performance of MFCs by covering a carbon fibre anode with various sized powdered activated carbon (PAC) particles was investigated. In addition, the MFCs were tested at various hydraulic retention times (HRT) to assess the performance displayed by modified MFCs. Results showed that a relatively smaller amount of PAC with a diameter of 13 μm coated at the anode during the cultivation stage at a shorter hydraulic retention time (4 days) would produce 504.1 ± 8.7 mW m?3 of power, 39.9 ± 2.9% of chemical oxygen demand removal efficiency, and 299 ± 63 mL of biogas. While, MFC running at a longer hydraulic retention time (12 days) was able to produce more power and had better effluent quality than those operating at a shorter hydraulic retention period.