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Performance of air cathode earthen pot microbial fuel cell for simultaneous wastewater treatment with bioelectricity generation

Author

Listed:
  • Anil Ghadge
  • M.M. Ghangrekar
  • Soumya Pandit
  • Debabrata Das

Abstract

Air cathode earthen pot microbial fuel cell (ACEMFC) was made using low cost earthen pots as a separator coated with conductive carbon black on the exterior to work as a cathode. ACEMFC was operated in fed-batch mode with synthetic wastewater containing acetate as anolyte (0.40 L) at a fixed external resistance of 100 Ω. Carbon cloth (projected surface area of 32 cm2) was used as anode. Sludge collected from the bottom of septic tank was used as an anodic inoculum. An average OCV of 0.62 ± 0.1 V, a Coulombic efficiency of 17 ± 4%, and a peak volumetric power density of 3.56 ± 0.2 W.m10−3 was obtained during steady state condition. It was found that ACEMFC produced 45% higher power output when compared with conventional dual chamber earthen pot MFC. This low cost ACEMFC, with total production cost of about 1.5$, as per Indian market, demonstrated its utility as a wastewater treatment and onsite power generation device. However, biofouling was observed on cathode surface of ACEMFC after a couple of weeks of operation resulting in overall performance reduction, which needs to be improved to make this device sustainable for long term operation.

Suggested Citation

  • Anil Ghadge & M.M. Ghangrekar & Soumya Pandit & Debabrata Das, 2014. "Performance of air cathode earthen pot microbial fuel cell for simultaneous wastewater treatment with bioelectricity generation," International Journal of Environmental Technology and Management, Inderscience Enterprises Ltd, vol. 17(2/3/4), pages 143-153.
    • Handle: RePEc:ids:ijetma:v:17:y:2014:i:2/3/4:p:143-153
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    Cited by:

    1. Jadhav, Dipak A. & Park, Sung-Gwan & Eisa, Tasnim & Mungray, Arvind K. & Madenli, Evrim Celik & Olabi, Abdul-Ghani & Abdelkareem, Mohammad Ali & Chae, Kyu-Jung, 2022. "Current outlook towards feasibility and sustainability of ceramic membranes for practical scalable applications of microbial fuel cells," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).
    2. Kalpana Sharma & Vandana Singh & Soumya Pandit & Bhim Sen Thapa & Kumud Pant & Tanmoy Roy Tusher, 2022. "Isolation of Biosurfactant-Producing Bacteria and Their Co-Culture Application in Microbial Fuel Cell for Simultaneous Hydrocarbon Degradation and Power Generation," Sustainability, MDPI, vol. 14(23), pages 1-19, November.

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