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The performance of a thermophilic microbial fuel cell fed with synthesis gas

Paper ID Volume ID Publish Year Pages File Format Full-Text
17438 42668 2012 8 PDF Available
Title
The performance of a thermophilic microbial fuel cell fed with synthesis gas
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 30–35 mW LR−1 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.

► For the first time electricity production from syngas is demonstrated in a thermophilic MFC. ► A syngas conversion efficiency of 87–98% and a Coulombic efficiency of 20–26% is achieved. ► Electricity production is accomplished by a thermophilic consortium of anodophilic, carboxydotrophic, and homoacetogenic microorganisms.

Keywords
MFC; Synthesis gas; Carbon monoxide; Thermophilic conditions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 51, Issue 3, 10 August 2012, Pages 163–170
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us