کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
17438 | 42668 | 2012 | 8 صفحه PDF | دانلود رایگان |
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.
Journal: Enzyme and Microbial Technology - Volume 51, Issue 3, 10 August 2012, Pages 163–170