Electricity Generation from Single Chamber Microbial Fuel Cells using Granular Activated Carbon as Anode for Wastewater Treatment

Authors

  • Sarawut Suphannarach Kasetsart University
  • Dusit Thanapatay Kasetsart University
  • Nattakarn Prasertsung Kasetsart University Chalermphrakait Sakon Nakhorn Province Campus
  • Settakorn Kamuang Kasetsart University Chalermphrakait Sakon Nakhorn Province Campus

DOI:

https://doi.org/10.4186/ej.2023.27.6.1

Keywords:

single chamber microbial fuel cells, granule-activated carbon, COD removal, voltage boost converter circuit

Abstract

Locally sourced granule-activated carbon (GAC) has been used in wastewater treatment systems, but it is not widely used in single chamber microbial fuel cells (SCMFCs). The GAC in an anode coupled with a carbon cloth was used in the SCMFCs in this research, with 1.00-L of the GAC added to the carbon cloth in the anode. Three SCMFCs were operated in continuous flow mode. The synthetic wastewater was prepared from rice flour dissolved in tap water, with a chemical oxygen demand (COD) value of 1,816.32 ± 204.78 mg/L. The organic loading rates (OLRs) in the study were 0.91, 1.82, and 7.27 kgCOD/m3-d. The maximum power density levels generated by the three SCMFCs were 13.16, 7.96 and 4.11 mW/m2 from OLRs of 0.91, 1.82, and 7.27 kgCOD/m3-d, respectively, and the efficiency rate of COD removal were 24.96%, 24.85%, and 20.75%, respectively. This research also presented a voltage boost converter circuit for charging a 0.25F storage supercapacitor. Only two OLRs provided an electric voltage that could run the circuit (0.49V and 0.45V generated by OLRs of 0.91 and 1.82 kgCOD/m3-d, respectively.) The supercapacitor set was charged to reach the maximum output of 5.25 V taking 19.5 hr and 37.5 hr, respectively.

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Author Biographies

Sarawut Suphannarach
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Department of Electrical Engineering, Faculty of Engineering, Kasetsart University, Bangkok, Thailand

Dusit Thanapatay
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Department of Electrical Engineering, Faculty of Engineering, Kasetsart University, Bangkok, Thailand

Nattakarn Prasertsung
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Department of Civil and Environmental Engineering, Faculty of Science and Engineering, Kasetsart University Chalermphrakait Sakon Nakhorn Province Campus, Sakon Nakhorn, Thailand

Settakorn Kamuang
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Department of Electrical and Computer Engineering, Faculty of Science and Engineering, Kasetsart University Chalermphrakait Sakon Nakhorn Province Campus, Sakon Nakorn, Thailand

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Published In
Vol 27 No 6, Jun 30, 2023
How to Cite
[1]
S. Suphannarach, D. Thanapatay, N. Prasertsung, and S. Kamuang, “Electricity Generation from Single Chamber Microbial Fuel Cells using Granular Activated Carbon as Anode for Wastewater Treatment”, Eng. J., vol. 27, no. 6, pp. 1-10, Jun. 2023.
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