期刊
BIOPROCESS AND BIOSYSTEMS ENGINEERING
卷 33, 期 2, 页码 187-194出版社
SPRINGER
DOI: 10.1007/s00449-009-0312-2
关键词
Sulfide; Microbial fuel cells; Vanadium (V); Electricity generation; Wastewater treatment
资金
- National Natural Science Foundation of China [20877001]
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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