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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51834

Title: Enhancement of power generation by microbial fuel cells in treating toluene-contaminated groundwater: Developments of composite anodes with various compositions
Authors: Liu, Shu-Hui
Yu-Chuan Lai
Chi-Wen Lin
Contributors: 國立臺灣海洋大學:地球科學研究所
Keywords: Microbial fuel cells
Composite anode
Toluene removal
Power production
Date: 2019-01
Issue Date: 2018-12-27T02:49:04Z
Publisher: Applied Energy
Abstract: Abstract: This work develops microbial fuel cells (MFCs) with composite anodes that combine conductive coke (CC) and conductive carbon black (CCB) to improve the performance of those MFCs in treating toluene-contaminated groundwater. The effect of the combination ratio (CRCCB:CC) of the composite anode with various ratios of CCB to CC on MFC performance was evaluated. The results demonstrate that the time required (tr) for the MFC with CR1:3 to remove all toluene was half of that required by other MFCs except for that with CR1:9. Additionally, CR1:3 is associated with the highest power density (PDmax) of 72 mW/m2, which is 1.24–2.78 times higher than those obtained using other CRs or a single-material anode (CC) except for CCB, owing to the high conductivity of the latter. Cyclic voltammetry (CV) yields oxidized-reduced current peaks of CR1:3 that are 1.44–2.89-fold as high as those obtained using other CRs, suggesting that the composite anode with CCB or CC at an optimal ratio accelerates the oxidation-reduction reactions, favoring the removal of organic waste. This work establishes the feasibility of using a composite anode to improve the removal of toluene and the generation of electricity by MFCs.
Relation: 233-234 pp.922-929
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51834
Appears in Collections:[應用地球科學研究所] 期刊論文

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