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Continuous bioelectricity production and sustainable wastewater treatment in a microbial fuel cell constructed with non-catalyzed granular graphite electrodes and permeable membrane.
Water Sci Technol. 2010; 61(7):1819-27.WS

Abstract

Oxygen has been so far addressed as the most preferable terminal electron acceptor in the cathodes of microbial fuel cells (MFCs). However, to reduce the oxygen reduction overpotential at the cathode surface, eco-unfriendly and costly catalysts have been commonly employed. Here, we pursued the possibility of using a high surface area electrode to reduce the cathodic reaction overpotential rather than the utilization of catalyzed materials. A dual chambered MFC reactor was designed with the use of graphite-granule electrodes and a permeable membrane. The performance of the reactor in terms of electricity generation and organic removal rate was examined under a continuous-feed manner. Results showed that the maximum volumetric power of 4.4+/-0.2 W/m(3) net anodic compartment (NAC) was obtained at a current density of 11+/-0.5 A/m(3) NAC. The power output was improved by increasing the electrolyte ionic strength. An acceptable effluent quality was attained when the organic loading rate (OLR) of 2 kgCOD/m(3) NAC d was applied. The organic removal rate seemed to be less affected by shock loading. Our system can be suggested as a promising approach to make MFC-based technology economically viable for wastewater treatment applications. This study shows that current generation can be remarkably improved in comparison with several other studies using a low-surface-area plain graphite electrode.

Authors+Show Affiliations

Department of Environmental Engineering and Biotechnology, Myongji University, San 38-2 Namdong, Yongin, Kyonggido 449-728, South Korea. thuan_th@mju.ac.krNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20371941

Citation

Tran, Hung-Thuan, et al. "Continuous Bioelectricity Production and Sustainable Wastewater Treatment in a Microbial Fuel Cell Constructed With Non-catalyzed Granular Graphite Electrodes and Permeable Membrane." Water Science and Technology : a Journal of the International Association On Water Pollution Research, vol. 61, no. 7, 2010, pp. 1819-27.
Tran HT, Ryu JH, Jia YH, et al. Continuous bioelectricity production and sustainable wastewater treatment in a microbial fuel cell constructed with non-catalyzed granular graphite electrodes and permeable membrane. Water Sci Technol. 2010;61(7):1819-27.
Tran, H. T., Ryu, J. H., Jia, Y. H., Oh, S. J., Choi, J. Y., Park, D. H., & Ahn, D. H. (2010). Continuous bioelectricity production and sustainable wastewater treatment in a microbial fuel cell constructed with non-catalyzed granular graphite electrodes and permeable membrane. Water Science and Technology : a Journal of the International Association On Water Pollution Research, 61(7), 1819-27. https://doi.org/10.2166/wst.2010.140
Tran HT, et al. Continuous Bioelectricity Production and Sustainable Wastewater Treatment in a Microbial Fuel Cell Constructed With Non-catalyzed Granular Graphite Electrodes and Permeable Membrane. Water Sci Technol. 2010;61(7):1819-27. PubMed PMID: 20371941.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Continuous bioelectricity production and sustainable wastewater treatment in a microbial fuel cell constructed with non-catalyzed granular graphite electrodes and permeable membrane. AU - Tran,Hung-Thuan, AU - Ryu,Jae-Hun, AU - Jia,Yu-Hong, AU - Oh,Se-Jin, AU - Choi,Ji-Youn, AU - Park,Doo-Hyun, AU - Ahn,Dae-Hee, PY - 2010/4/8/entrez PY - 2010/4/8/pubmed PY - 2010/6/16/medline SP - 1819 EP - 27 JF - Water science and technology : a journal of the International Association on Water Pollution Research JO - Water Sci Technol VL - 61 IS - 7 N2 - Oxygen has been so far addressed as the most preferable terminal electron acceptor in the cathodes of microbial fuel cells (MFCs). However, to reduce the oxygen reduction overpotential at the cathode surface, eco-unfriendly and costly catalysts have been commonly employed. Here, we pursued the possibility of using a high surface area electrode to reduce the cathodic reaction overpotential rather than the utilization of catalyzed materials. A dual chambered MFC reactor was designed with the use of graphite-granule electrodes and a permeable membrane. The performance of the reactor in terms of electricity generation and organic removal rate was examined under a continuous-feed manner. Results showed that the maximum volumetric power of 4.4+/-0.2 W/m(3) net anodic compartment (NAC) was obtained at a current density of 11+/-0.5 A/m(3) NAC. The power output was improved by increasing the electrolyte ionic strength. An acceptable effluent quality was attained when the organic loading rate (OLR) of 2 kgCOD/m(3) NAC d was applied. The organic removal rate seemed to be less affected by shock loading. Our system can be suggested as a promising approach to make MFC-based technology economically viable for wastewater treatment applications. This study shows that current generation can be remarkably improved in comparison with several other studies using a low-surface-area plain graphite electrode. SN - 0273-1223 UR - https://www.unboundmedicine.com/medline/citation/20371941/Continuous_bioelectricity_production_and_sustainable_wastewater_treatment_in_a_microbial_fuel_cell_constructed_with_non_catalyzed_granular_graphite_electrodes_and_permeable_membrane_ L2 - https://iwaponline.com/wst/article-lookup/doi/10.2166/wst.2010.140 DB - PRIME DP - Unbound Medicine ER -