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

研究成果: Article同行評審

22 引文 斯高帕斯(Scopus)

摘要

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.

原文English
頁(從 - 到)390-395
頁數6
期刊Clean - Soil, Air, Water
41
發行號4
DOIs
出版狀態Published - 2013 四月 1

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Water Science and Technology
  • Pollution

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