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Enrichment of an electrochemically active bacterial community using mircrobial fuel cell
Tong, M.; Li, S. H.; Du, Z. W.; Li, H. R.
2007
Conference NameSolar World Congress of the International-Solar-Energy-Society
Source PublicationPROCEEDINGS OF ISES SOLAR WORLD CONGRESS 2007: SOLAR ENERGY AND HUMAN SETTLEMENT, VOLS I-V Pages: 2434-2438
Pages2434-2438
Conference DateSEP 18-21, 2007
Conference PlaceBeijing, PEOPLES R CHINA
PublisherTsinghua University Press
AbstractMicrobial fuel cell is a device capable of directly transforming chemical to electrical energy via electrochemical reactions involving biochemical pathways. In this research, sludge batter and two-compartment microbial fuel cell were used to enrich an electrochemically active microbial community from anaerobic digester sludge and feeding with glucose as fuel. In the enrichment process, the attached bacteria were scraped off and inoculated in a new microbial fuel cell. The power output and coulombic efficiency of the microbial fuel cell increased gradually to an order of magnitude as that of the original microbial fuel cell with the anaerobic digester sludge as inoculum. The attached bacterial can grow under anaerobic condition with MnO2 and glucose, and reduce Mn (IV) to Mn(II). Control experiment showed that the MnO2 was the only electron acceptor of the microbes attached to the anode in the system and the microbes are capable of using MnO2 in their dissimilatory respiration since no microbe growth was observed without MnO2. Overall, electrochemically active microbial community belonging to dissimilatory metal reduction microorganism can be enriched using a microbial fuel cell. The enrichment procedure is also a new approach to enhance the performance of mediatorless microbial fuel cell.
KeywordElectricity-generation
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Indexed ByISTP
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11224
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Tong, M.,Li, S. H.,Du, Z. W.,et al. Enrichment of an electrochemically active bacterial community using mircrobial fuel cell[C]:Tsinghua University Press,2007:2434-2438.
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