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Journal Articles Biochemical Engineering Journal Year : 2013

Sampling location of the inoculum is crucial in designing anodes for microbial fuel cells

Abstract

A Kraft pulp mill effluent was used as the inoculum to form microbial bioanodes under controlled potential at +0.4 V/SCE. Samples were collected at the inlet and outlet of the aerated lagoon of the treatment line. The outlet sample allowed efficient bioanodes to be designed (5.1 A/m²), which included Geobacter and Desulfuromonas sp. in their microbial community. In contrast, the bioanodes formed with the inlet sample did not contain directly connecting anode-respiring bacteria and led to lower currents. It was necessary to reform this bioanode at lower applied potential (-0.2 V/SCE) to select more efficient electroactive species and increase the current density to 5 A/m².
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Dates and versions

hal-00877678 , version 1 (29-10-2013)

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Stephanie F. Ketep, Alain Bergel, Marie Bertrand-Huleux, Wafa Achouak, Eric Fourest. Sampling location of the inoculum is crucial in designing anodes for microbial fuel cells. Biochemical Engineering Journal, 2013, vol. 73, pp. 12-16. ⟨10.1016/j.bej.2013.01.001⟩. ⟨hal-00877678⟩
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