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This study investigates the transition from microbial fuel cell (MFC) to microbial electrolysis cell (MEC) operation using two different wastewaters, analyzing the changes in anode microbial communities.

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What they did

System
MEC

What worked

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Abstract

Key findings

  • The anode microbial communities in MFC and MEC operations showed distinct differences, with MEC operation favoring the growth of acetoclastic methanogens.
  • The transition from MFC to MEC operation resulted in a shift from a mixed microbial community to a community dominated by methanogenic archaea.
  • The use of different wastewaters had a minimal impact on the anode microbial communities, with similar community structures observed in both MFC and MEC operations.

Keywords

Microbial fuel cellGeobacter sulfurreducensMicrobial population biologyGeobacterWastewaterEnvironmental chemistry

Identifiers

DOI
10.1016/j.biortech.2010.05.019
Journal
Bioresource Technology
Year
2010