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Specialized MFC research in advanced-systems focusing on advanced-configuration. Four multiple air–cathode microbial fuel cells (MFCs) were developed under the scope of using extracts from fermentable household ...

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What they did

System
MFC

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Abstract

Four multiple air–cathode microbial fuel cells (MFCs) were developed under the scope of using extracts from fermentable household food waste (FORBI) for the production of bioelectricity. The operation of the MFCs was assessed in batch mode, considering each cell individually. Τhe chemical oxygen demand (COD) efficiency was relatively high in all cases (>85% for all batch cycles) while the electricity yield was 20 mJ/gCOD/L of extract solution. The four units were then electrically connected as a stack, both in series and in parallel, and were operated continuously. Approximately 62% COD consumption was obtained in continuous stack operation operated in series and 67% when operated in parallel. The electricity yield of the stack was 2.6 mJ/gCOD/L of extract solution when operated continuously in series and 0.7 mJ/gCOD/L when operated continuously in parallel.

Keywords

Stack (abstract data type)Microbial fuel cellChemical oxygen demandElectricityBiomass (ecology)Waste management

Identifiers

DOI
10.3390/molecules26133987
Journal
Molecules
Year
2021