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The influence of operational conditions on the performance of a microbial fuel cell seeded with mesophilic anaerobic sludge

Paper ID Volume ID Publish Year Pages File Format Full-Text
3912 198 2010 8 PDF Available
Title
The influence of operational conditions on the performance of a microbial fuel cell seeded with mesophilic anaerobic sludge
Abstract

In this work, the influence of operational parameters such as organic load, pH and temperature on power generation and methane production was studied in a continuous flow air-cathode microbial fuel cell (MFC) seeded with mesophilic anaerobic sludge. Power generation was accompanied by methane production, when fed with either glucose or acetate, however the ratio of methane-to-electricity production strongly depended on operational conditions. At a pH of 7, electricity production exhibited an Andrews-like dependence on carbon source concentration, whereas methane production followed a Monod-like dependence. pH-stat tests showed maximal power output at a pH of 6.3, which coincided with a decreased methane production. Cathode heating to 62 °C resulted in increased electricity generation with an insignificant increase in methane production.

Keywords
MFC; Organic load; pH; Temperature; Methanogenesis
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The influence of operational conditions on the performance of a microbial fuel cell seeded with mesophilic anaerobic sludge
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 51, Issue 3, 15 September 2010, Pages 132–139
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
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