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Combined photoelectrocatalytic microbial fuel cell (PEC-MFC) degradation of refractory organic pollutants and in-situ electricity utilization.
Chemosphere. 2019 Jan; 214:669-678.C

Abstract

A new photoelectrocatalytic (PEC) and microbial fuel cell (MFC) process was developed and applied to simultaneously remove refractory organic pollutants (i.e., phenol and aniline) from wastewater while recovering energy for in-situ utilization. The current generated by the MFC process was applied to drive the PEC reaction. Compared with single PEC or MFC processes, the PEC-MFC combined process showed higher pollutant and chemical oxygen demand (COD) removal capacities and electricity production. Over 95% of the phenol or aniline was removed by these process, even at high initial concentrations. The COD removal efficiencies for phenol and aniline were ca. 96% (from 700 to 29 mg L-1) and 70% (from 165 to 49 mg L-1), respectively. Although the PEC process showed a limited contribution to phenol and aniline removals (16.5% and 43%, respectively), the utilization of PEC-treated phenol or aniline streams resulted in a MFC with higher voltage output, higher coulombic efficiency, maximal volumetric power density, and lower internal resistance as compared to untreated water. High-performance liquid chromatography coupled with mass spectrometry measurements revealed quinones/hydroquinones and low molecular weight organic acids to be produced as intermediates after the PEC process, which could improve the production of electricity in the MFC.

Authors+Show Affiliations

The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, PR China; Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, PR China.The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, PR China. Electronic address: yingwang@bnu.edu.cn.Environment Simulation and Pollution Control State Key Joint Laboratory, Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, PR China.State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Beijing 100085, PR China.The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, PR China.The Administrative Center for China's Agenda 21, Beijing 100038, PR China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30292049

Citation

Zhang, Manman, et al. "Combined Photoelectrocatalytic Microbial Fuel Cell (PEC-MFC) Degradation of Refractory Organic Pollutants and In-situ Electricity Utilization." Chemosphere, vol. 214, 2019, pp. 669-678.
Zhang M, Wang Y, Liang P, et al. Combined photoelectrocatalytic microbial fuel cell (PEC-MFC) degradation of refractory organic pollutants and in-situ electricity utilization. Chemosphere. 2019;214:669-678.
Zhang, M., Wang, Y., Liang, P., Zhao, X., Liang, M., & Zhou, B. (2019). Combined photoelectrocatalytic microbial fuel cell (PEC-MFC) degradation of refractory organic pollutants and in-situ electricity utilization. Chemosphere, 214, 669-678. https://doi.org/10.1016/j.chemosphere.2018.09.085
Zhang M, et al. Combined Photoelectrocatalytic Microbial Fuel Cell (PEC-MFC) Degradation of Refractory Organic Pollutants and In-situ Electricity Utilization. Chemosphere. 2019;214:669-678. PubMed PMID: 30292049.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Combined photoelectrocatalytic microbial fuel cell (PEC-MFC) degradation of refractory organic pollutants and in-situ electricity utilization. AU - Zhang,Manman, AU - Wang,Ying, AU - Liang,Peng, AU - Zhao,Xu, AU - Liang,Mingxing, AU - Zhou,Bin, Y1 - 2018/09/17/ PY - 2018/05/14/received PY - 2018/09/14/revised PY - 2018/09/15/accepted PY - 2018/10/7/pubmed PY - 2019/1/12/medline PY - 2018/10/7/entrez KW - Energy recovery KW - Microbial fuel cell KW - Photoelectrocatalysis KW - Refractory pollutant SP - 669 EP - 678 JF - Chemosphere JO - Chemosphere VL - 214 N2 - A new photoelectrocatalytic (PEC) and microbial fuel cell (MFC) process was developed and applied to simultaneously remove refractory organic pollutants (i.e., phenol and aniline) from wastewater while recovering energy for in-situ utilization. The current generated by the MFC process was applied to drive the PEC reaction. Compared with single PEC or MFC processes, the PEC-MFC combined process showed higher pollutant and chemical oxygen demand (COD) removal capacities and electricity production. Over 95% of the phenol or aniline was removed by these process, even at high initial concentrations. The COD removal efficiencies for phenol and aniline were ca. 96% (from 700 to 29 mg L-1) and 70% (from 165 to 49 mg L-1), respectively. Although the PEC process showed a limited contribution to phenol and aniline removals (16.5% and 43%, respectively), the utilization of PEC-treated phenol or aniline streams resulted in a MFC with higher voltage output, higher coulombic efficiency, maximal volumetric power density, and lower internal resistance as compared to untreated water. High-performance liquid chromatography coupled with mass spectrometry measurements revealed quinones/hydroquinones and low molecular weight organic acids to be produced as intermediates after the PEC process, which could improve the production of electricity in the MFC. SN - 1879-1298 UR - https://www.unboundmedicine.com/medline/citation/30292049/Combined_photoelectrocatalytic_microbial_fuel_cell__PEC_MFC__degradation_of_refractory_organic_pollutants_and_in_situ_electricity_utilization_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0045-6535(18)31740-5 DB - PRIME DP - Unbound Medicine ER -