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Influence of diligent disintegration on anaerobic biomass and performance of microbial fuel cell

Authors
  • Divyalakshmi, Palanisamy1
  • Murugan, Devaraj1
  • Rai, Chockalingam Lajapathi1
  • 1 CSIR - Central Leather Research Institute, Adyar, Chemical Engineering & Chemical-Biological Pilot Plants, Chennai, India , Chennai (India)
Type
Published Article
Journal
Biotechnology Letters
Publisher
Springer-Verlag
Publication Date
Sep 02, 2017
Volume
39
Issue
12
Pages
1883–1888
Identifiers
DOI: 10.1007/s10529-017-2420-4
Source
Springer Nature
Keywords
License
Yellow

Abstract

ObjectivesTo enhance the performance of microbial fuel cells (MFC) by increasing the surface area of cathode and diligent mechanical disintegration of anaerobic biomass.ResultsTannery effluent and anaerobic biomass were used. The increase in surface area of the cathode resulted in 78% COD removal, with the potential, current density, power density and coulombic efficiency of 675 mV, 147 mA m−2, 33 mW m−2 and 3.5%, respectively. The work coupled with increased surface area of the cathode with diligent mechanical disintegration of the biomass, led to a further increase in COD removal of 82% with the potential, current density, power density and coulombic efficiency of 748 mV, 229 mA m−2, 78 mW m−2 and 6% respectively.ConclusionsMechanical disintegration of the biomass along with increased surface area of cathode enhances power generation in vertical MFC reactors using tannery effluent as fuel.

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