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Sustainable electricity generation and ammonium removal by microbial fuel cell with a microalgae assisted cathode at various environmental conditions.

08:00 EDT 22nd March 2019 | BioPortfolio

Summary of "Sustainable electricity generation and ammonium removal by microbial fuel cell with a microalgae assisted cathode at various environmental conditions."

Power generation and nutrient removal by a microbial fuel cell assisted with an algae growth in cathode chamber were evaluated along with continuous measurements of dissolved oxygen (DO) at various light and temperature conditions. Under light/dark regime of 18/6 hrs, a sustainable voltage of 0.31 V was observed with sufficient DO in the dark period. However, maximum NH-N removal rate (22.7 mg/L.d) and removal percentage (95.5%) was observed with 12/12 light/dark regime. Voltage and nitrogen removal increased with higher photon flux density up to 92 µE m s, and the highest 0.35 V voltage and NH-N removal rate of 26.5 mg/L.d were obtained. A higher temperature condition was favorable to improve the performance of algae cathode MFCs, but no substantial influence was observed relatively (19-35 °C). This study suggests that algae-cathode MFCs could continuously generate sustainable power with nutrient removal at optimum light and temperature conditions.

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This article was published in the following journal.

Name: Bioresource technology
ISSN: 1873-2976
Pages: 161-167

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