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Microbial fuel cells (MFCs) are emerging as promising technology for the treatment of wastewaters. The potential energy conversion efficiencies are examined.

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Representative MFC — matched on the paper’s system type only, not its reactor or geometry.

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System
MFC

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Abstract

Microbial fuel cells (MFCs) are emerging as promising technology for the treatment of wastewaters. The potential energy conversion efficiencies are examined. The rates of energy recovery (W/m3 reactor) are reviewed and evaluated. Some recent data relating to potato-processing wastewaters and a hospital wastewater effluent are reported. Finally, a set of process configurations in which MFCs could be useful to treat wastewaters is schematized. Overall, the MFC technology still faces major challenges, particularly in terms of chemical oxygen demand (COD) removal efficiency.

Keywords

Microbial fuel cellWastewaterEffluentChemical oxygen demandWaste managementSewage treatment

Identifiers

DOI
10.2166/wst.2006.702
Journal
Water Science and Technology
Year
2006