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Removal of copper from aqueous solution by electrodeposition in cathode chamber of microbial fuel cell.
J Hazard Mater. 2011 May 15; 189(1-2):186-92.JH

Abstract

Based on energetic analysis, a novel approach for copper electrodeposition via cathodic reduction in microbial fuel cells (MFCs) was proposed for the removal of copper and recovery of copper solids as metal copper and/or Cu(2)O in a cathode with simultaneous electricity generation with organic matter. This was examined by using dual-chamber MFCs (chamber volume, 1L) with different concentrations of CuSO(4) solution (50.3 ± 5.8, 183.3 ± 0.4, 482.4 ± 9.6, 1007.9 ± 52.0 and 6412.5 ± 26.7 mg Cu(2+)/L) as catholyte at pH 4.7, and different resistors (0, 15, 390 and 1000 Ω) as external load. With glucose as a substrate and anaerobic sludge as an inoculum, the maximum power density generated was 339 mW/m(3) at an initial 6412.5 ± 26.7 mg Cu(2+)/L concentration. High Cu(2+) removal efficiency (>99%) and final Cu(2+) concentration below the USA EPA maximum contaminant level (MCL) for drinking water (1.3mg/L) was observed at an initial 196.2 ± 0.4 mg Cu(2+)/L concentration with an external resistor of 15 Ω, or without an external resistor. X-ray diffraction analysis confirmed that Cu(2+) was reduced to cuprous oxide (Cu(2)O) and metal copper (Cu) on the cathodes. Non-reduced brochantite precipitates were observed as major copper precipitates in the MFC with a high initial Cu(2+) concentration (0.1M) but not in the others. The sustainability of high Cu(2+) removal (>96%) by MFC was further examined by fed-batch mode for eight cycles.

Authors+Show Affiliations

Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China. taohc@pkusz.edu.cnNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21377788

Citation

Tao, Hu-Chun, et al. "Removal of Copper From Aqueous Solution By Electrodeposition in Cathode Chamber of Microbial Fuel Cell." Journal of Hazardous Materials, vol. 189, no. 1-2, 2011, pp. 186-92.
Tao HC, Liang M, Li W, et al. Removal of copper from aqueous solution by electrodeposition in cathode chamber of microbial fuel cell. J Hazard Mater. 2011;189(1-2):186-92.
Tao, H. C., Liang, M., Li, W., Zhang, L. J., Ni, J. R., & Wu, W. M. (2011). Removal of copper from aqueous solution by electrodeposition in cathode chamber of microbial fuel cell. Journal of Hazardous Materials, 189(1-2), 186-92. https://doi.org/10.1016/j.jhazmat.2011.02.018
Tao HC, et al. Removal of Copper From Aqueous Solution By Electrodeposition in Cathode Chamber of Microbial Fuel Cell. J Hazard Mater. 2011 May 15;189(1-2):186-92. PubMed PMID: 21377788.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Removal of copper from aqueous solution by electrodeposition in cathode chamber of microbial fuel cell. AU - Tao,Hu-Chun, AU - Liang,Min, AU - Li,Wei, AU - Zhang,Li-Juan, AU - Ni,Jin-Ren, AU - Wu,Wei-Min, Y1 - 2011/02/15/ PY - 2010/11/25/received PY - 2011/01/22/revised PY - 2011/02/08/accepted PY - 2011/3/8/entrez PY - 2011/3/8/pubmed PY - 2011/8/9/medline SP - 186 EP - 92 JF - Journal of hazardous materials JO - J Hazard Mater VL - 189 IS - 1-2 N2 - Based on energetic analysis, a novel approach for copper electrodeposition via cathodic reduction in microbial fuel cells (MFCs) was proposed for the removal of copper and recovery of copper solids as metal copper and/or Cu(2)O in a cathode with simultaneous electricity generation with organic matter. This was examined by using dual-chamber MFCs (chamber volume, 1L) with different concentrations of CuSO(4) solution (50.3 ± 5.8, 183.3 ± 0.4, 482.4 ± 9.6, 1007.9 ± 52.0 and 6412.5 ± 26.7 mg Cu(2+)/L) as catholyte at pH 4.7, and different resistors (0, 15, 390 and 1000 Ω) as external load. With glucose as a substrate and anaerobic sludge as an inoculum, the maximum power density generated was 339 mW/m(3) at an initial 6412.5 ± 26.7 mg Cu(2+)/L concentration. High Cu(2+) removal efficiency (>99%) and final Cu(2+) concentration below the USA EPA maximum contaminant level (MCL) for drinking water (1.3mg/L) was observed at an initial 196.2 ± 0.4 mg Cu(2+)/L concentration with an external resistor of 15 Ω, or without an external resistor. X-ray diffraction analysis confirmed that Cu(2+) was reduced to cuprous oxide (Cu(2)O) and metal copper (Cu) on the cathodes. Non-reduced brochantite precipitates were observed as major copper precipitates in the MFC with a high initial Cu(2+) concentration (0.1M) but not in the others. The sustainability of high Cu(2+) removal (>96%) by MFC was further examined by fed-batch mode for eight cycles. SN - 1873-3336 UR - https://www.unboundmedicine.com/medline/citation/21377788/Removal_of_copper_from_aqueous_solution_by_electrodeposition_in_cathode_chamber_of_microbial_fuel_cell_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3894(11)00203-2 DB - PRIME DP - Unbound Medicine ER -