Biotechnology Letters

, Volume 39, Issue 12, pp 1883–1888 | Cite as

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

  • Palanisamy Divyalakshmi
  • Devaraj Murugan
  • Chockalingam Lajapathi Rai
Original Research Paper
  • 111 Downloads

Abstract

Objectives

To enhance the performance of microbial fuel cells (MFC) by increasing the surface area of cathode and diligent mechanical disintegration of anaerobic biomass.

Results

Tannery 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.

Conclusions

Mechanical disintegration of the biomass along with increased surface area of cathode enhances power generation in vertical MFC reactors using tannery effluent as fuel.

Keywords

Coulombic efficiency Mechanical Disintegration Microbial Fuel Cell Potential Power 

Notes

Acknowledgement

The authors wish to thank CSIR-ZERIS, WP-27 (CSC 0103) for funding this project. Thanks are also due to Dr. B. Chandrasekaran, Director, CSIR-CLRI for his encouragement and keen interest in this work and Dr. A. Tamilselvi, Principal Scientist, Education & Training Division for microbial analysis.

Supporting information

Supplementary Table—1 Power densities reported in the literature and in the present study.

Supplementary material

10529_2017_2420_MOESM1_ESM.doc (34 kb)
Supplementary material 1 (DOC 34 kb).

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Palanisamy Divyalakshmi
    • 1
  • Devaraj Murugan
    • 1
  • Chockalingam Lajapathi Rai
    • 1
  1. 1.Chemical Engineering & Chemical-Biological Pilot PlantsCSIR - Central Leather Research Institute, AdyarChennaiIndia

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