Wastewater treatment in pilot‐scale microbial fuel cell using multielectrode assembly with ceramic separator suitable for field applications
Anil N. Ghadge, Dipak A. Jadhav, Makarand M. Ghangrekar
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70% confidenceA pilot-scale microbial fuel cell (MFC) with a multielectrode assembly and ceramic separator achieved high performance, with a maximum power of 14.28 mW and COD removal of 84% at an external resistance of 10 Ω.
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- MFC
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Abstract
Performance of 45 L pilot scale microbial fuel cell (MFC) made from glass fiber‐reinforced plastic and ceramic‐separators (CS) with multiple electrode assembly was evaluated. Study on effect of external resistance ( R ext ) varying from 100 to 3 Ω revealed that maximum power ( P max ) of 14.28 mW (37.8 mA current) with chemical oxygen demand (COD) removal of 84 ± 5.1% was observed at R ext of 10 Ω. While evaluating influence of organic loading rate (OLR) from 0.75 to 8 g COD L −1 d −1 , the MFC showed P max of 17.63 mW (42 mA current) and COD removal of 69 ± 5.1% at OLR of 4.5 g COD L −1 d −1 . Internal resistance ( R int ) of 12.4 Ω observed is among the least value reported in literature for larger MFCs. Simplicity in design, ease of fabrication, lower R int , longevity and low cost CS, which can withstand more hydraulic pressure than polymeric membranes, are the advantages that this MFC offers to make it suitable for field applications. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1809–1817, 2016
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Keywords
Identifiers
- Journal
- Environmental Progress & Sustainable Energy
- Year
- 2016