Abstract：
:The present study emphasizes the importance of overcoming proton limitation in a microbial fuel cell operated on domestic wastewater. When the anode-treated effluent was allowed to trickle into the cathodic compartment (full-loop operation), high COD and suspended solids removal efficiencies over 75% and 84%, respectively, were achieved while ensuring substantial and sustainable power generation. Lower removal efficiencies resulted in decreased cell electromotive force caused by excess substrate crossover. By decreasing the pH in the cathodic compartment to values below 2, we were able to further increase the maximum power generation by 180% in batch mode and 380% in continuous mode as compared to a negative control (tap water of pH 7.6). Under the optimized conditions, the internal resistance and electromotive force were 11Ω and 0.6 V, respectively, which correspond to the state of the art.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Lefebvre O,Shen Y,Tan Z,Uzabiaga A,Chang IS,Ng HYdoi
10.1016/j.biortech.2011.02.098subject
Has Abstractpub_date
2011-05-01 00:00:00pages
5841-8issue
10eissn
0960-8524issn
1873-2976pii
S0960-8524(11)00304-Xjournal_volume
102pub_type
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