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Electricity generation from synthesis gas by microbial processes: CO fermentation and microbial fuel cell technology

Author:
Kim, Daehee, Chang, In Seop
Source:
Bioresource technology 2009 v.100 no.19 pp. 4527-4530
ISSN:
0960-8524
Subject:
biomass, gasification, renewable energy sources, carbon monoxide, electricity, fermentation, Acetobacterium, anaerobic digestion
Abstract:
A microbiological process was established to harvest electricity from the carbon monoxide (CO). A CO fermenter was enriched with CO as the sole carbon source. The DGGE/DNA sequencing results showed that Acetobacterium spp. were enriched from the anaerobic digester fluid. After the fermenter was operated under continuous mode, the products were then continuously fed to the microbial fuel cell (MFC) to generate electricity. Even though the conversion yield was quite low, this study proved that synthesis gas (syn-gas) can be converted to electricity with the aid of microbes that do not possess the drawbacks of metal catalysts of conventional methods.
Agid:
757918