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KMID : 0545120120220020270
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Journal of Microbiology and Biotechnology
2012 Volume.22 No. 2 p.270 ~ p.273
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Effect of Ammonium and Nitrate on Current Generation Using Dual-Cathode Microbial Fuel Cells
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Jang Jae-Kyung
Choi Jung-Eun
Ryou Young-Sun
Lee Sung-Hyoun
Lee Eun-Young
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Abstract
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These studies were conducted to determine the effects of various concentrations of ammonium and nitrate on current generation using dual-cathode microbial fuel cells (MFCs). Current generation was not affected by ammonium up to 51.8±0.0 mg/l, whereas 103.5±0.0 mg/l ammonium chloride reduced the current slightly. On the other hand, when 60.0±0.0 and 123.3±0.1 mg/l nitrate were supplied, the current was decreased from 10.23±0.07 mA to 3.20±0.24 and 0.20±0.01 mA, respectively. Nitrate did not seem to serve as a fuel for current generation in these studies. At this time, COD and nitrate removal were increased except at 123±0.1 mg /l. These results show that proper management of ammonium and nitrate is very important for increasing the current in a microbial fuel cell.
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KEYWORD
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Dual-cathode microbial fuel cell, Electron acceptor, Electricity, Ammonium, Nitrate
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