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Electrode and azo dye decolorization performance in microbial-fuel-cell-coupled constructed wetlands with different electrode size during long-term wastewater treatment.
Bioresour Technol. 2017 Aug; 238:450-460.BT

Abstract

Microbial-fuel-cell-coupled constructed wetlands (CW-MFCs) with various cathode layers were used for long-term azo dye wastewater treatment. Their performance was assessed using cathode diameters ranging from 20 to 27.5cm and the influence of plants at the cathode was also examined. Bioelectricity generation, ABRX3 decolorization, and chemical oxygen demand (COD) removal performances first increased and then decreased with increasing cathode diameter. The CW-MFCs with larger cathodes had an anoxic region at the cathode where ABRX3 was decolorized. This phenomenon has not been reported in previous research on MFCs using traditional air cathodes. Anode performance was influenced by the cathode. The CW-MFC with a cathode diameter of 25cm showed the best electrode performance, and the highest voltage and power density were 560mV and 0.88W/m3, respectively. The highest ABRX3 decolorization and COD removal volumes were 271.53mg/L and 312.17mg/L, respectively.

Authors+Show Affiliations

School of Energy and Environment, Southeast University, Nanjing 210096, China.School of Energy and Environment, Southeast University, Nanjing 210096, China.School of Energy and Environment, Southeast University, Nanjing 210096, China.School of Energy and Environment, Southeast University, Nanjing 210096, China.School of Energy and Environment, Southeast University, Nanjing 210096, China. Electronic address: lxnseu@163.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28463809

Citation

Fang, Zhou, et al. "Electrode and Azo Dye Decolorization Performance in Microbial-fuel-cell-coupled Constructed Wetlands With Different Electrode Size During Long-term Wastewater Treatment." Bioresource Technology, vol. 238, 2017, pp. 450-460.
Fang Z, Cao X, Li X, et al. Electrode and azo dye decolorization performance in microbial-fuel-cell-coupled constructed wetlands with different electrode size during long-term wastewater treatment. Bioresour Technol. 2017;238:450-460.
Fang, Z., Cao, X., Li, X., Wang, H., & Li, X. (2017). Electrode and azo dye decolorization performance in microbial-fuel-cell-coupled constructed wetlands with different electrode size during long-term wastewater treatment. Bioresource Technology, 238, 450-460. https://doi.org/10.1016/j.biortech.2017.04.075
Fang Z, et al. Electrode and Azo Dye Decolorization Performance in Microbial-fuel-cell-coupled Constructed Wetlands With Different Electrode Size During Long-term Wastewater Treatment. Bioresour Technol. 2017;238:450-460. PubMed PMID: 28463809.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Electrode and azo dye decolorization performance in microbial-fuel-cell-coupled constructed wetlands with different electrode size during long-term wastewater treatment. AU - Fang,Zhou, AU - Cao,Xian, AU - Li,Xuexiao, AU - Wang,Hui, AU - Li,Xianning, Y1 - 2017/04/21/ PY - 2017/03/13/received PY - 2017/04/16/revised PY - 2017/04/18/accepted PY - 2017/5/4/pubmed PY - 2017/10/24/medline PY - 2017/5/3/entrez KW - Azo dye degradation KW - Electrode performance KW - Long-term operation KW - Microbial fuel cell-coupled constructed wetland KW - Operation condition SP - 450 EP - 460 JF - Bioresource technology JO - Bioresour. Technol. VL - 238 N2 - Microbial-fuel-cell-coupled constructed wetlands (CW-MFCs) with various cathode layers were used for long-term azo dye wastewater treatment. Their performance was assessed using cathode diameters ranging from 20 to 27.5cm and the influence of plants at the cathode was also examined. Bioelectricity generation, ABRX3 decolorization, and chemical oxygen demand (COD) removal performances first increased and then decreased with increasing cathode diameter. The CW-MFCs with larger cathodes had an anoxic region at the cathode where ABRX3 was decolorized. This phenomenon has not been reported in previous research on MFCs using traditional air cathodes. Anode performance was influenced by the cathode. The CW-MFC with a cathode diameter of 25cm showed the best electrode performance, and the highest voltage and power density were 560mV and 0.88W/m3, respectively. The highest ABRX3 decolorization and COD removal volumes were 271.53mg/L and 312.17mg/L, respectively. SN - 1873-2976 UR - https://www.unboundmedicine.com/medline/citation/28463809/Electrode_and_azo_dye_decolorization_performance_in_microbial_fuel_cell_coupled_constructed_wetlands_with_different_electrode_size_during_long_term_wastewater_treatment_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0960-8524(17)30579-5 DB - PRIME DP - Unbound Medicine ER -