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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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Submitted on : Tuesday, October 29, 2013 - 9:42:21 AM
Last modification on : Monday, March 29, 2021 - 1:38:03 PM
Long-term archiving on: : Thursday, January 30, 2014 - 4:36:02 AM

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

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