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Bioelectrochemical recovery of ammonia-copper(II) complexes from wastewater using a dual chamber microbial fuel cell.
Chemosphere. 2012 Nov; 89(10):1177-82.C

Abstract

The cathodic reduction of complex-state copper(II) was investigated in a dual chamber microbial fuel cell (MFC). The inner resistance of MFC system could be reduced in the presence of ionizing NH(4)(+), however, mass transfer was hindered at higher ammonia concentration. Thermodynamic and electrochemical analyses indicated that the processes of complex dissociation and copper reduction were governed by the ratio of T[Cu]:T[NH(3)] and the pH of solution. The reduction of Cu(NH(3))(4)(2+) could be achieved via two possible pathways: (1) releasing Cu(2+) from Cu(NH(3))(4)(2+), then reducing Cu(2+) to Cu or Cu(2)O and (2) Cu(NH(3))(4)(2+) accepting an electron and forming Cu(NH(3))(2)(+), and depositing as Cu or Cu(2)O consequently. At initial concentration of 350 mg T[Cu] L(-1), copper removal efficiency of 96% was obtained at pH=9.0 within 12 h (with △Cu/△COD=1.24), 84% was obtained at pH=3.0 within 8 h (with △Cu/△COD=1.72). Cu(NH(3))(4)(2+) was reduced as polyhedral deposits on the cathode.

Authors+Show Affiliations

Shenzhen Key Laboratory for Heavy Metal Treatment and Reutilization, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China.No affiliation info availableNo 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

22944254

Citation

Zhang, Li-Juan, et al. "Bioelectrochemical Recovery of ammonia-copper(II) Complexes From Wastewater Using a Dual Chamber Microbial Fuel Cell." Chemosphere, vol. 89, no. 10, 2012, pp. 1177-82.
Zhang LJ, Tao HC, Wei XY, et al. Bioelectrochemical recovery of ammonia-copper(II) complexes from wastewater using a dual chamber microbial fuel cell. Chemosphere. 2012;89(10):1177-82.
Zhang, L. J., Tao, H. C., Wei, X. Y., Lei, T., Li, J. B., Wang, A. J., & Wu, W. M. (2012). Bioelectrochemical recovery of ammonia-copper(II) complexes from wastewater using a dual chamber microbial fuel cell. Chemosphere, 89(10), 1177-82. https://doi.org/10.1016/j.chemosphere.2012.08.011
Zhang LJ, et al. Bioelectrochemical Recovery of ammonia-copper(II) Complexes From Wastewater Using a Dual Chamber Microbial Fuel Cell. Chemosphere. 2012;89(10):1177-82. PubMed PMID: 22944254.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Bioelectrochemical recovery of ammonia-copper(II) complexes from wastewater using a dual chamber microbial fuel cell. AU - Zhang,Li-Juan, AU - Tao,Hu-Chun, AU - Wei,Xue-Yan, AU - Lei,Tao, AU - Li,Jin-Bo, AU - Wang,Ai-Jie, AU - Wu,Wei-Min, Y1 - 2012/09/01/ PY - 2012/04/16/received PY - 2012/07/19/revised PY - 2012/08/01/accepted PY - 2012/9/5/entrez PY - 2012/9/5/pubmed PY - 2012/12/21/medline SP - 1177 EP - 82 JF - Chemosphere JO - Chemosphere VL - 89 IS - 10 N2 - The cathodic reduction of complex-state copper(II) was investigated in a dual chamber microbial fuel cell (MFC). The inner resistance of MFC system could be reduced in the presence of ionizing NH(4)(+), however, mass transfer was hindered at higher ammonia concentration. Thermodynamic and electrochemical analyses indicated that the processes of complex dissociation and copper reduction were governed by the ratio of T[Cu]:T[NH(3)] and the pH of solution. The reduction of Cu(NH(3))(4)(2+) could be achieved via two possible pathways: (1) releasing Cu(2+) from Cu(NH(3))(4)(2+), then reducing Cu(2+) to Cu or Cu(2)O and (2) Cu(NH(3))(4)(2+) accepting an electron and forming Cu(NH(3))(2)(+), and depositing as Cu or Cu(2)O consequently. At initial concentration of 350 mg T[Cu] L(-1), copper removal efficiency of 96% was obtained at pH=9.0 within 12 h (with △Cu/△COD=1.24), 84% was obtained at pH=3.0 within 8 h (with △Cu/△COD=1.72). Cu(NH(3))(4)(2+) was reduced as polyhedral deposits on the cathode. SN - 1879-1298 UR - https://www.unboundmedicine.com/medline/citation/22944254/Bioelectrochemical_recovery_of_ammonia_copper_II__complexes_from_wastewater_using_a_dual_chamber_microbial_fuel_cell_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0045-6535(12)01022-3 DB - PRIME DP - Unbound Medicine ER -