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Electrochemically and Bioelectrochemically Induced Ammonium Recovery
Published on: January 22, 2015
Importance of temperature and anodic medium composition on microbial fuel cell (MFC) performance
Booki Min1, Oscar Benito Román, Irini Angelidaki
1Department of Environmental Engineering, Technical University of Denmark, 2800, Lyngby, Denmark.
Abstract:
The performance of a microbial fuel cell (MFC) was investigated at different temperatures and anodic media. A lag phase of 30 h occurred at 30 degrees C which was half that at room temperature (22 degrees C). The maximum power density at 30 degrees C was 70 mW/m(2) and at 22 degrees C was 43 mW/m(2). At 15 degrees C, no successful operation was observed even after several loadings for a long period of operation. Maximum power density of 320 mW/m(2) was obtained with wastewater medium containing phosphate buffer (conductivity: 11.8 mS/cm), which was approx. 4 times higher than the value without phosphate additions (2.89 mS/cm).
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