Performance of microbial fuel cell with volatile fatty acids from food wastes

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Food wastes were used as feedstock for the direct production of electricity in a microbial fuel cell (MFC). MFC operations with volatile fatty acids (VFA) produced 533 mV with a maximum power density of 240 mW/m(2). Short-chain VFAs, such as acetate, were degraded more rapidly and thus supported higher power generation than longer chain ones. In general, the co-existence of other, different VFAs slowed the removal of each VFA, which indicated that anodic microbes were competing for different substrates. 16S rRNA gene analysis using PCR-DGGE indicated that the MFC operation with VFAs had enriched unique microbial species.
Publisher
SPRINGER
Issue Date
2011-04
Language
English
Article Type
Article
Keywords

16S RIBOSOMAL-RNA; ELECTRICITY-GENERATION; WATER TREATMENT; BACTERIAL COMMUNITIES; BIOELECTRICITY GENERATION; MIXED CULTURE; REMOVAL; MICROORGANISMS; FERMENTATION; DEGRADATION

Citation

BIOTECHNOLOGY LETTERS, v.33, no.4, pp.705 - 714

ISSN
0141-5492
DOI
10.1007/s10529-010-0507-2
URI
http://hdl.handle.net/10203/93976
Appears in Collection
CE-Journal Papers(저널논문)
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