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Litre-scale microbial fuel cells operated in a complete loop.

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Abstract
Using the anode effluent to compensate the alkalinization in a bio-cathode has recently been proposed as a way to operate a microbial fuel cell (MFC) in a continuous and pH neutral way. In this research, we successfully demonstrated that the operation of a MFC without any pH adjustments is possible by completing the liquid loop over cathode and anode. During the complete loop operation, a stable current production of 23.2 +/- 2.5 A m(-3) MFC was obtained, even in the presence of 3.2-5.2 mg O-2 L-1 in the anode. The use of current collectors and subdivided electrical circuitries for relative large 2.5-L-scale MFCs resulted in ohmic cell resistances in the order of 1.4-1.7 m Omega m(3) MFC, which were comparable to values of ten times smaller MFCs. Nevertheless, the bio-cathode activity still needs to be improved significantly with a factor 10-50 in order achieve desirable current densities of 1,000 A m(-3) MFC.
Keywords
Bio-catalysed cathode, Bio-electrochemical system, Energy recovery, Bio-fuel cell, PH, MEMBRANE, TRANSPORT, PERFORMANCE, WASTE-WATER, ELECTRICITY-GENERATION, CATHODIC OXYGEN REDUCTION, Wastewater

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Citation

Please use this url to cite or link to this publication:

Chicago
Clauwaert, Peter, Schalla Mulenga, Peter Aelterman, and Willy Verstraete. 2009. “Litre-scale Microbial Fuel Cells Operated in a Complete Loop.” Applied Microbiology and Biotechnology 83 (2): 241–247.
APA
Clauwaert, P., Mulenga, S., Aelterman, P., & Verstraete, W. (2009). Litre-scale microbial fuel cells operated in a complete loop. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 83(2), 241–247.
Vancouver
1.
Clauwaert P, Mulenga S, Aelterman P, Verstraete W. Litre-scale microbial fuel cells operated in a complete loop. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY. 2009;83(2):241–7.
MLA
Clauwaert, Peter, Schalla Mulenga, Peter Aelterman, et al. “Litre-scale Microbial Fuel Cells Operated in a Complete Loop.” APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 83.2 (2009): 241–247. Print.
@article{692806,
  abstract     = {Using the anode effluent to compensate the alkalinization in a bio-cathode has recently been proposed as a way to operate a microbial fuel cell (MFC) in a continuous and pH neutral way. In this research, we successfully demonstrated that the operation of a MFC without any pH adjustments is possible by completing the liquid loop over cathode and anode. During the complete loop operation, a stable current production of 23.2 +/- 2.5 A m(-3) MFC was obtained, even in the presence of 3.2-5.2 mg O-2 L-1 in the anode. The use of current collectors and subdivided electrical circuitries for relative large 2.5-L-scale MFCs resulted in ohmic cell resistances in the order of 1.4-1.7 m Omega m(3) MFC, which were comparable to values of ten times smaller MFCs. Nevertheless, the bio-cathode activity still needs to be improved significantly with a factor 10-50 in order achieve desirable current densities of 1,000 A m(-3) MFC.},
  author       = {Clauwaert, Peter and Mulenga, Schalla and Aelterman, Peter and Verstraete, Willy},
  issn         = {0175-7598},
  journal      = {APPLIED MICROBIOLOGY AND BIOTECHNOLOGY},
  language     = {eng},
  number       = {2},
  pages        = {241--247},
  title        = {Litre-scale microbial fuel cells operated in a complete loop.},
  url          = {http://dx.doi.org/10.1007/s00253-009-1876-0},
  volume       = {83},
  year         = {2009},
}

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