Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 11, Issue 2, Pages 274-277Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2008.11.023
Keywords
Microbial fuel cell; p-Nitrophenol; Carbon felt
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Funding
- National Natural Science Foundation of China [20877001]
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This study initially demonstrates that the electricity generated by a microbial fuel cell (MFC) can be used to in situ generate H2O2 at a carbon felt cathode. In the presence of scrap iron, H2O2 further reacts with Fe2+ to produce hydroxyl radicals. Attributed to the oxidation of H2O2 and hydroxyl radicals, and the oxidation-reduction of scrap iron, p-nitrophenol was significantly removed in the cathode chamber of the MFC. The p-nitrophenol was completely degraded after 12 h, and about 85% of TOC was removed after 96 h. Simultaneously, a maximum power density (143 mW m(-2)) was generated by the MFC. It is concluded that a MFC not only can generate electricity and degrade biodegradable compounds, but also remove bio-refractory pollutants. (C) 2008 Elsevier B.V. All rights reserved.
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