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Enhanced removal of copper by electroflocculation and electroreduction in a novel bioelectrochemical system assisted microelectrolysis.
Bioresour Technol. 2020 Feb; 297:122507.BT

Abstract

The idea is immensely attractive if copper ions can be completely removed in wastewater. In this study, a novel bioelectrochemical system assisted microelectrolysis was developed for the enhanced removal of copper. One abandoned aluminium was used as anode and graphite/activated carbon as biological anode, and a bifunctional catalytic conductive membrane as cathode. Under the combined action of electroreduction and electroflocculation, copper ions directly pumped into the cathode chamber were efficiently treated, and organic matter was synchronously removed (Copper ions >99.9%, TOC >98.2%, COD >97.9%, NH4+-N >94.5% and TP >94.9%). The reactions of primary batteries and microelectrolysis in anode chamber significantly enhanced the self-production capacity of BES (maximum power density of 2250 mW m-3 at current density 10.65 mA m-2, maximum cell voltage of 1.4 V). The results confirmed the application potential of bioelectrochemical system assisted microelectrolysis for the removal of copper.

Authors+Show Affiliations

School of Environmental and Material Engineering, Yantai University, Yantai 264005, China.School of Environmental and Material Engineering, Yantai University, Yantai 264005, China.School of Environmental and Material Engineering, Yantai University, Yantai 264005, China. Electronic address: gcf1999@126.com.Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31830718

Citation

Wang, Hanwen, et al. "Enhanced Removal of Copper By Electroflocculation and Electroreduction in a Novel Bioelectrochemical System Assisted Microelectrolysis." Bioresource Technology, vol. 297, 2020, p. 122507.
Wang H, Wang H, Gao C, et al. Enhanced removal of copper by electroflocculation and electroreduction in a novel bioelectrochemical system assisted microelectrolysis. Bioresour Technol. 2020;297:122507.
Wang, H., Wang, H., Gao, C., & Liu, L. (2020). Enhanced removal of copper by electroflocculation and electroreduction in a novel bioelectrochemical system assisted microelectrolysis. Bioresource Technology, 297, 122507. https://doi.org/10.1016/j.biortech.2019.122507
Wang H, et al. Enhanced Removal of Copper By Electroflocculation and Electroreduction in a Novel Bioelectrochemical System Assisted Microelectrolysis. Bioresour Technol. 2020;297:122507. PubMed PMID: 31830718.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Enhanced removal of copper by electroflocculation and electroreduction in a novel bioelectrochemical system assisted microelectrolysis. AU - Wang,Hanwen, AU - Wang,Hongbo, AU - Gao,Changfei, AU - Liu,Lifen, Y1 - 2019/11/30/ PY - 2019/09/24/received PY - 2019/11/18/revised PY - 2019/11/25/accepted PY - 2019/12/13/pubmed PY - 2020/1/7/medline PY - 2019/12/13/entrez KW - Bioelectrochemical system KW - Copper removal KW - Electroflocculation KW - Electroreduction KW - Microelectrolysis SP - 122507 EP - 122507 JF - Bioresource technology JO - Bioresour. Technol. VL - 297 N2 - The idea is immensely attractive if copper ions can be completely removed in wastewater. In this study, a novel bioelectrochemical system assisted microelectrolysis was developed for the enhanced removal of copper. One abandoned aluminium was used as anode and graphite/activated carbon as biological anode, and a bifunctional catalytic conductive membrane as cathode. Under the combined action of electroreduction and electroflocculation, copper ions directly pumped into the cathode chamber were efficiently treated, and organic matter was synchronously removed (Copper ions >99.9%, TOC >98.2%, COD >97.9%, NH4+-N >94.5% and TP >94.9%). The reactions of primary batteries and microelectrolysis in anode chamber significantly enhanced the self-production capacity of BES (maximum power density of 2250 mW m-3 at current density 10.65 mA m-2, maximum cell voltage of 1.4 V). The results confirmed the application potential of bioelectrochemical system assisted microelectrolysis for the removal of copper. SN - 1873-2976 UR - https://www.unboundmedicine.com/medline/citation/31830718/Enhanced_removal_of_copper_by_electroflocculation_and_electroreduction_in_a_novel_bioelectrochemical_system_assisted_microelectrolysis_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0960-8524(19)31737-7 DB - PRIME DP - Unbound Medicine ER -
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