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Factors affecting the performance of microbial fuel cells for sulfide and vanadium (V) treatment

文献类型： 外文期刊

作者： Zhang, Bao-Gang 1 ; Zhou, Shun-Gui 2 ; Zhao, Hua-Zhang 1 ; Shi, Chun-Hong 3 ; Kong, Ling-Cai 1 ; Sun, Juan-Juan 1 ; Ya 1 ;

作者机构： 1.Peking Univ, Dept Environm Engn, Key Lab Water & Sediment Sci, Minist Educ, Beijing 100871, Peoples R China

2.Guangdong Inst Ecoenvironm & Soil Sci, Guangdong Key Lab Agr Environm Pollut Integrated, Guangzhou 510650, Guangdong, Peoples R China

3.Univ Sci & Technol Beijing, Dept Environm Engn, Beijing 100083, Peoples R China

关键词： sulfide;microbial fuel cells;vanadium (V);electricity generation;wastewater treatment

期刊名称：BIOPROCESS AND BIOSYSTEMS ENGINEERING （ 影响因子：3.21； 五年影响因子：2.97 ）

ISSN：

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收录情况： SCI

摘要： Sulfide and vanadium (V) are pollutants commonly found in wastewaters. A novel approach has been investigated using microbial fuel cell (MFC) technologies by employing sulfide and V(V) as electron donor and acceptor, respectively. This results in oxidizing sulfide and deoxidizing V(V) simultaneously. A series of operating parameters as initial concentration, conductivity, pH, external resistance were carefully examined. The results showed that these factors greatly affected the performance of the MFCs. The average removal rates of about 82.2 and 26.1% were achieved within 72 h operation for sulfide and V(V), respectively, which were accompanied by the maximum power density of about 614.1 mW m~(-2) under all tested conditions. The products generated during MFC operation could be deposited, resulting in removing sulfide and V(V) from wastewaters thoroughly.

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