Simultaneous degradation of refractory contaminants in both the anode and cathode chambers of the microbial fuel cell.
Bioresource Technology(2011)
摘要
In this study, the microbial fuel cell (MFC) was combined with the Fenton-like technology to simultaneously generate electricity and degrade refractory contaminants in both anode and cathode chambers. The maximum power density achieved was 15.9W/m3 at an initial pH of 3.0 in the MFC. In the anode chamber, approximately 100% of furfural and 96% COD were removed at the end of a cycle. In the cathode chamber, the Fenton-like reaction with FeVO4 as a catalyst enhanced the removal of AO7 and COD. The removal rates of AO7 and COD reached 89% and 81%, respectively. The optimal pH value and FeVO4 dosage toward degrading AO7 were about 3.0 and 0.8g, respectively. Furthermore, a two-way catalyst mechanism of FeVO4 and the contaminant degradation pathway in the MFC were explored.
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关键词
Microbial fuel cell,Electricity generation,Fenton-like reaction,Acid Orange 7,Degradation
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