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题名: Modifying membrane anode in a microbial fuel cell to improve removal of gaseous ethyl acetate without reducing generation of electricity
作者: Chih-Hung Wu
Yun-YanTsai
Chi-Wen Lin
贡献者: 國立臺灣海洋大學:地球科學研究所
关键词: Electricity generation
Elimination capacity
Ethyl acetate
Microbial fuel cell (MFC)
Polyvinyl alcohol membrane electrode
日期: 2016-05
上传时间: 2019-01-03T02:53:21Z
出版者: Journal of the Taiwan Institute of Chemical Engineers
摘要: Abstract: An S-type flow-field pipe-microbial fuel cell (SFP-MFC) was developed to remove ethyl acetate (EA) from an air stream. Features of the SFP-MFC included the use of polyvinyl alcohol and a membrane electrode assembly (PVA-MEA) as the gas diffusion membrane and proton exchange membrane (PEM), which separated the anode from the cathode. The performance of the SFP-MFC system was evaluated with an empty bed residence time (EBRT) of 14.35 s and an organic loading rate of 63−3700 g/m3/h, with or without the modification of the PVA-MEA electrode using conductive carbon black (CCB). Experimental results revealed that the maximum elimination capacity (EC) and voltage were 2288 g/m3/h and 330 mV, respectively, which were obtained when the PVA-MEA was modified using CCB. The PVA-MEA that was modified with CCB exhibited a 90% higher EA elimination capacity than the PVA-MEA without CCB modification. Moreover, the SFP-MFC system exhibited buffering at high organic loading, reducing the microbial inhibition by toxic pollutants. The maximum EC and EBRT of the modified SFP-MFC were 3−10 times higher and 2−12 times shorter, respectively, than those of biotrickling filters.
關聯: 62 pp.169-176
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51880
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