Generation of power by microbial fuel cell with ferricyanide in biodegradation of benzene

Chih Hung Wu, Chi Yung Lai, Chi Wen Lin, Min Hsiu Kao

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The power generation potential of a microbial fuel cell (MFC) during the process of benzene biodegradation with potassium ferricyanide (0-200mM) as the terminal electron acceptor was evaluated. Experimental results demonstrate that benzene was used as the sole carbon source in generating electricity by a mixed culture. The power density increased from 0.0276 to 2.1mWm-2 as the concentration of potassium ferricyanide in the cathode chamber was increased from 0 to 200mM. With a benzene concentration of 10.87mgL-1 and a potassium ferricyanide concentration of between 0 and 150mM, complete degradation of benzene was achieved in 22-24.5h. However, when the concentration of potassium ferricyanide was raised to 200mM, the time required for complete benzene degradation was prolonged to 35h. The results of this investigation can be used as a basis for future assessments of the power generation capacity of MFCs that are used to treat benzene-contaminated wastewater. It could be demonstrated that low concentrations of benzene in a polluted environment can serve as the sole substrate in an MFC and can be completed degraded. During the benzene degradation, the MFCs produce electricity and the cell voltage returned to its initial background value at the end of each run when the fuel compound was exhausted.

Original languageEnglish
Pages (from-to)390-395
Number of pages6
JournalClean - Soil, Air, Water
Volume41
Issue number4
DOIs
Publication statusPublished - 2013 Apr 1

Fingerprint

Microbial fuel cells
fuel cell
Biodegradation
Benzene
benzene
biodegradation
Potassium
potassium
power generation
Degradation
degradation
Power generation
electricity
Electricity
hexacyanoferrate III
Wastewater
Cathodes
Carbon
wastewater
substrate

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Water Science and Technology
  • Pollution

Cite this

Wu, Chih Hung ; Lai, Chi Yung ; Lin, Chi Wen ; Kao, Min Hsiu. / Generation of power by microbial fuel cell with ferricyanide in biodegradation of benzene. In: Clean - Soil, Air, Water. 2013 ; Vol. 41, No. 4. pp. 390-395.
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Generation of power by microbial fuel cell with ferricyanide in biodegradation of benzene. / Wu, Chih Hung; Lai, Chi Yung; Lin, Chi Wen; Kao, Min Hsiu.

In: Clean - Soil, Air, Water, Vol. 41, No. 4, 01.04.2013, p. 390-395.

Research output: Contribution to journalArticle

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