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Enhanced wastewater treatment efficiency through microbially catalyzed oxidation and reduction: synergistic effect of biocathode microenvironment.
Bioresour Technol. 2011 Nov; 102(22):10210-20.BT

Abstract

Microbially catalyzed treatment of wastewater was evaluated in both the anode and cathode chambers in dual chambered microbial fuel cell (MFC) under varying biocathode microenvironment. MFC operation with aerobic biocathode showed significant increment in both TDS (cathode, 90.2±1%; anode, 39.7±0.5%) and substrate (cathode, 98.07±0.06%; anode, 96.2±0.3%) removal compared to anaerobic biocathode and abiotic cathode operations (COD, 80.25±0.3%; TDS, 30.5±1.2%). Microbially catalyzed reduction of protons and electrons at cathode will be higher during aerobic biocathode operation which leads to gradual substrate removal resulting in stable bio-potential for longer periods facilitating salts removal. Bio-electro catalytic behavior showed higher exchange current density during aerobic biocathode operation resulting in induced electrochemical oxidation which supports the enhanced treatment. Anaerobic biocathode operation depicted relatively less TDS removal (anode, 16.35%; cathode, 16.04%) in both the chambers in spite of good substrate degradation (anode, 84%; cathode, 87.39%). Both the chambers during anaerobic biocathode operation competed as electron donors resulting in negligible bio-potential development.

Authors+Show Affiliations

Bioengineering and Environmental Centre, Indian Institute of Chemical Technology, Hyderabad 500 607, India. vmohan_s@yahoo.comNo affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

21920735

Citation

Mohan, S Venkata, and S Srikanth. "Enhanced Wastewater Treatment Efficiency Through Microbially Catalyzed Oxidation and Reduction: Synergistic Effect of Biocathode Microenvironment." Bioresource Technology, vol. 102, no. 22, 2011, pp. 10210-20.
Mohan SV, Srikanth S. Enhanced wastewater treatment efficiency through microbially catalyzed oxidation and reduction: synergistic effect of biocathode microenvironment. Bioresour Technol. 2011;102(22):10210-20.
Mohan, S. V., & Srikanth, S. (2011). Enhanced wastewater treatment efficiency through microbially catalyzed oxidation and reduction: synergistic effect of biocathode microenvironment. Bioresource Technology, 102(22), 10210-20. https://doi.org/10.1016/j.biortech.2011.08.034
Mohan SV, Srikanth S. Enhanced Wastewater Treatment Efficiency Through Microbially Catalyzed Oxidation and Reduction: Synergistic Effect of Biocathode Microenvironment. Bioresour Technol. 2011;102(22):10210-20. PubMed PMID: 21920735.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Enhanced wastewater treatment efficiency through microbially catalyzed oxidation and reduction: synergistic effect of biocathode microenvironment. AU - Mohan,S Venkata, AU - Srikanth,S, Y1 - 2011/08/16/ PY - 2011/06/13/received PY - 2011/08/05/revised PY - 2011/08/06/accepted PY - 2011/9/17/entrez PY - 2011/9/17/pubmed PY - 2012/2/15/medline SP - 10210 EP - 20 JF - Bioresource technology JO - Bioresour. Technol. VL - 102 IS - 22 N2 - Microbially catalyzed treatment of wastewater was evaluated in both the anode and cathode chambers in dual chambered microbial fuel cell (MFC) under varying biocathode microenvironment. MFC operation with aerobic biocathode showed significant increment in both TDS (cathode, 90.2±1%; anode, 39.7±0.5%) and substrate (cathode, 98.07±0.06%; anode, 96.2±0.3%) removal compared to anaerobic biocathode and abiotic cathode operations (COD, 80.25±0.3%; TDS, 30.5±1.2%). Microbially catalyzed reduction of protons and electrons at cathode will be higher during aerobic biocathode operation which leads to gradual substrate removal resulting in stable bio-potential for longer periods facilitating salts removal. Bio-electro catalytic behavior showed higher exchange current density during aerobic biocathode operation resulting in induced electrochemical oxidation which supports the enhanced treatment. Anaerobic biocathode operation depicted relatively less TDS removal (anode, 16.35%; cathode, 16.04%) in both the chambers in spite of good substrate degradation (anode, 84%; cathode, 87.39%). Both the chambers during anaerobic biocathode operation competed as electron donors resulting in negligible bio-potential development. SN - 1873-2976 UR - https://www.unboundmedicine.com/medline/citation/21920735/Enhanced_wastewater_treatment_efficiency_through_microbially_catalyzed_oxidation_and_reduction:_synergistic_effect_of_biocathode_microenvironment_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0960-8524(11)01122-9 DB - PRIME DP - Unbound Medicine ER -