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Open AccessArticle

Triclosan Removal in Microbial Fuel Cell: The Contribution of Adsorption and Bioelectricity Generation

by Wenli Xu 1,2, Biao Jin 1,3,*, Shaofeng Zhou 4, Yanyan Su 5 and Yifeng Zhang 1,6,*
1
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
2
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 10069, China
3
Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou 510650, China
4
School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
5
Carlsberg Research Laboratory, Bjerregaardsvej 5, 2500 Valby, Denmark
6
DTU Environment, Department of Environmental Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
*
Authors to whom correspondence should be addressed.
Energies 2020, 13(3), 761; https://doi.org/10.3390/en13030761
Received: 15 November 2019 / Revised: 28 January 2020 / Accepted: 5 February 2020 / Published: 9 February 2020
The occurrence of Triclosan (TCS) in natural aquatic systems has been drawing increasing attention due to its endocrine-disruption effects as well as for the development of antibiotic resistances. Wastewater discharge is the main source of water contamination by TCS. In this study, the removal of TCS in microbial fuel cells (MFCs) was carefully investigated. A 94% removal of TCS was observed with 60 mV electricity generation as well as a slight drop in pH. In addition, we found that adsorption also contributed to the removal of TCS in aqueous solution and 21.73% and 19.92% of the total mass was adsorbed to the inner wall of the reactor and to the electrode, respectively. The results revealed that the attenuation of TCS depends on both biodegradation and physical adsorption in the anode chamber. Thus, the outcomes of our study provide a better understanding of the TCS removal mechanism in MFCs. View Full-Text
Keywords: triclosan; microbial fuel cell; adsorption; bioelectricity triclosan; microbial fuel cell; adsorption; bioelectricity
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MDPI and ACS Style

Xu, W.; Jin, B.; Zhou, S.; Su, Y.; Zhang, Y. Triclosan Removal in Microbial Fuel Cell: The Contribution of Adsorption and Bioelectricity Generation. Energies 2020, 13, 761.

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