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Title: Conception and optimization of a membrane electrode assembly microbial fuel cell (MEA-MFC) for treatment of domestic wastewater
Authors: Lefebvre, O. 
Uzabiaga, A. 
Shen, Y.J.
Tan, Z. 
Cheng, Y.P. 
Liu, W. 
Ng, H.Y. 
Keywords: Domestic wastewater
Microbial fuel cell
Wastewater treatment
Issue Date: 2011
Citation: Lefebvre, O., Uzabiaga, A., Shen, Y.J., Tan, Z., Cheng, Y.P., Liu, W., Ng, H.Y. (2011). Conception and optimization of a membrane electrode assembly microbial fuel cell (MEA-MFC) for treatment of domestic wastewater. Water Science and Technology 64 (7) : 1527-1532. ScholarBank@NUS Repository.
Abstract: A membrane electrode assembly (MEA) for microbial fuel cells (MEA-MFC) was developed for continuous electricity production while treating domestic wastewater concurrently. It was optimized via three upgraded versions (noted α, β and γ) in terms of design (current collectors, hydrophilic separator nature) and operating conditions (hydraulic retention time, external resistance, aeration rate, recirculation). An overall rise of power by over 100% from version α to γ shows the importance of factors such as the choice of proper construction materials and prevention of short-circuits. A power of 2.5 mW was generated with a hydraulic retention time of 2.3 h when a Selemion proton exchange membrane was used as a hydrophilic separator in the MEA and 2.8 mW were attained with a reverse osmosis membrane. The MFC also showed a competitive value of internal resistance (≈40-50 Ω) as compared to the literature, especially considering its large volume (3 L). However, the operation of our system in a complete loop where the anolyte was allowed to trickle over the cathode (version γ) resulted in system failure. © IWA Publishing 2011.
Source Title: Water Science and Technology
ISSN: 02731223
DOI: 10.2166/wst.2011.067
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