期刊
JOURNAL OF BIOSCIENCE AND BIOENGINEERING
卷 123, 期 3, 页码 364-369出版社
SOC BIOSCIENCE BIOENGINEERING JAPAN
DOI: 10.1016/j.jbiosc.2016.10.010
关键词
Microbial fuel cell; Phenol degradation; Graphite electrodes; Biofilm; Geobacter
资金
- Ministry of Education, Culture, Sports, Science, and Technology in Japan [23310055, 26281040]
- EcoTopia Science Institute
- Grants-in-Aid for Scientific Research [23310055, 26281040] Funding Source: KAKEN
A microbial fuel cell (MFC), with graphite electrodes as both the anode and cathode, was operated with a soil-free anaerobic consortium for phenol degradation. This phenol-degrading MFC showed high efficiency with a current density of 120 mA/m(2) and a coulombic efficiency of 22.7%, despite the lack of a platinum catalyst cathode and inoculation of sediment/soil. Removal of planktonic bacteria by renewing the anaerobic medium did not decrease the performance, suggesting that the phenol -degrading MFC was not maintained by the planktonic bacteria but by the microorganisms in the anode biofilm. Cyclic voltammetry analysis of the anode biofilm showed distinct oxidation and reduction peaks. Analysis of the microbial community structure of the anode biofilm and the planktonic bacteria based on 16S rRNA gene sequences suggested that Geobacter sp. was the phenol degrader in the anode biofilm and was responsible for current generation. (C) 2016, The Society for Biotechnology, Japan. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据