Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/19035
Title: Modeling and optimization of microbial fuel cells
Authors: UZABIAGA ARNAUD JEAN-MICHEL
Keywords: MFC,wastewater,electricity,acidification,cathode,biological
Issue Date: 26-Feb-2010
Source: UZABIAGA ARNAUD JEAN-MICHEL (2010-02-26). Modeling and optimization of microbial fuel cells. ScholarBank@NUS Repository.
Abstract: Microbial fuel cell (MFC) technology allows biologically treating wastewater while simultaneously accomplishing power generation directly in the form of electricity. In this study, we disclose a laboratory-scale microbial fuel cell of around 3 L that makes use of an Membrane Electrode Assembly to treat wastewater and generate electricity from domestic wastewater. Three upgraded versions in terms of design (current collectors, hydrophilic separator nature) and operating conditions (hydraulic retention time, external resistance) were conducted. Recirculation of the effluent and of acidic solutions at the cathode was also studied. We were able to raise the power generated by the MEA-MFC from 1.1 mW to 2.85 mW and finally 5.7 mW in the latest version featuring an acidified cathode at pH=2. The rise of power shows the importance of factors such as the choice of an adequate separator in MEA systems. Besides controlled cathodic acidification improves greatly the power supply of our MEA-MFC featuring a proton selective separator.
URI: http://scholarbank.nus.edu.sg/handle/10635/19035
Appears in Collections:Master's Theses (Open)

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