Polyelectrolyte microparticles for enhancing anode performance in an air–cathode μ-Liter microbial fuel cell

Chen, Yan-Yu; Wang, Hsiang‐Yu

doi:10.1016/j.apenergy.2015.05.058

Cited by 6 publications

(1 citation statement)

References 24 publications

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“…One of the most interesting approaches is the air‐breathing MFC, which consists of microbial fuel cells equipped with air‐cathodes. In this case, there are not two compartments in the microbial fuel cell but only one, the cathode being in direct contact with air and with the membrane that separates it from the anode chamber.…”

Section: Introductionmentioning

confidence: 99%

Optimization of the performance of an air-cathode MFC by changing solid retention time

D’Angelo

Mateo

Scialdone

et al. 2017

J. Chem. Technol. Biotechnol

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BACKGROUND This work is focused on the optimization of the performances of air‐cathode microbial fuel cells (MFC) by changing the solid retention time (SRT) of the suspended biomass culture. RESULTS Five MFCs inoculated with activated sludge obtained from a municipal wastewater treatment plant were fed with a highly‐concentrated acetate solution (10 000 ppm COD) and operated over two‐month tests in order to determine how SRT may influence the performances of the bio‐electrogenic cells. The MFC operated at SRTs of 2.5 days was found to outperform the other cells, operated at SRT of 1.4, 5.0, 7.4 and 10.0 days. In order to evaluate the possibility of using SRT as a manipulated parameter for the regulation of the operation of MFC, the SRT of the other MFCs was changed from their initial value up or down to 2.5 days. CONCLUSIONS As a result of the change in the SRT, production of electricity of the cells increased significantly in all cases, highlighting the relevance of SRT control in the optimization of the performances of MFCs. By operating at SRT 2.5 days, the current density was 4.2 A m−2, the COD consumption rate was 1.53 g COD d−1 L−1 and the COD transformed by electrogenic microorganisms was estimated at 1.5%. © 2016 Society of Chemical Industry

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Section: Introductionmentioning

confidence: 99%