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The performance of a thermophilic microbial fuel cell fed with synthesis gas
Alternate title:
The performance of a thermophilic microbial fuel cell fed with synthesis gas enzyme
Author(s):
Affiliation:
NRC Biotechnology Research Institute; NRC Institute for Fuel Cell Innovation; National Research Council Canada
Language:
English
Type:
Article
Journal:
Enzyme and Microbial Technology
Date:
2012
Pages :
163-170
NRCC #:
53413
NPArC #:
21007346
Keywords:
MFC; Synthesis gas; Carbon monoxide; Thermophilic conditions
Abstract:
This study demonstrated electricity generation in a thermophilic microbial fuel cell (MFC) operated on synthesis gas (syngas) as the sole electron donor. At 50 °C, a volumetric power output of View the MathML source and a syngas conversion efficiency of 87–98% was achieved. The observed pathway of syngas conversion to electricity primarily consisted of a two-step process, where the carbon monoxide and hydrogen were first converted to acetate, which was then consumed by the anodophilic bacteria to produce electricity. A denaturing gradient gel electrophoresis (DGGE) analysis of the 16S rDNA revealed the presence of Geobacter species, Acetobacter, methanogens and several uncultured bacteria and archaea in the anodic chamber.
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