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Researchers used a PVA membrane and graphite electrodes in a lab-made MFC stack to generate electricity from wastewater, achieving a maximum current density of 1400mA/sqm and ion exchange capacity of 1.2meq/gm.

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What they did

System
MFC

What worked

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Abstract

Abstract Microbial Fuel Cells (MFCs) has been attracting significant attention as it not only treats waste water but also generates electricity from using waste water thereby producing electricity. The present paper presents the use of MFC in converting the waste water into electricity using a PVA membrane and graphite electrodes assembled in a lab made single MFC stack. The highest voltage obtained as 452 mV in open circuit condition which got stabilized after working for 8hrs of operation and the membrane lasted for more than 10 days of operation. The maximum current density produced was 1400mA/sqm and the ion exchange capacity was found to be 1.2meq/gm. FTIR, contact angle, TGA and SEM analysis of the membrane was also done.

Key findings

  • Highest voltage obtained was 452 mV in open circuit condition
  • Membrane lasted for more than 10 days of operation
  • Maximum current density produced was 1400mA/sqm

Keywords

Microbial fuel cellMembraneStack (abstract data type)Vinyl alcoholWaste managementOpen-circuit voltage

Identifiers

DOI
10.1088/1742-6596/2267/1/012078
Journal
Journal of Physics: Conference Series
Year
2022