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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/2133
Title: Simultaneous generation of electricity and removal of organic load from synthetic wastewater in a membrane less microbial fuel cell: Parametric evaluation
Authors: Shankar R.
Mondal, Prasenjit
Chand S.
Published in: Environmental Progress and Sustainable Energy
Abstract: This work deals with the simultaneous generation of electricity and removal of organic load from synthetic wastewater containing eqimolar concentration of glucose and glutamic acid. The effect of initial COD (mg/L), anodic pH and metals (Zn2+, Cr6+, and Fe3+) concentration on the generation of current density and voltage has been studied. Although, the amount of COD removed increases with increase in the initial COD value from 500 to 2500 mg/L, the maximum generation of current density (19 mA/m2) and voltage (14.8 mV), after 7 days of operation, is achieved at the initial COD value of 1500 mg/L at anodic pH value of 7. Difference in the anodic and cathodic pH has also been observed maximum (?1) at the initial COD value of 1500 mg/L. Addition of metals initially increases the voltage and power density generation, attains a maximum value at a certain metal concentration and decreases thereafter with increase in metal concentration. Optimum concentration of metals, that is, 8 mg/L Zn2+, 7 mg/L Cr6+, and 10 mg/L Fe3+ in the solution produces maximum voltage of 142, 490, and 321 mV, after 7 days of operation, respectively. Corresponding maximum power densities are 6.9, 508, and 192 mW/m2, respectively. The present process seems to have maximum current density and voltage generation capacity in comparison to some recently reported literatures on membrane less MFCand is able to reduce COD value below permissible limit with the initial COD value ?1250 mg/L. © 2014 American Institute of Chemical Engineers.
Citation: Environmental Progress and Sustainable Energy (2015), 34(1): 255-264
URI: https://doi.org/10.1002/ep.11941
http://repository.iitr.ac.in/handle/123456789/2133
Issue Date: 2015
Publisher: John Wiley and Sons Inc.
Keywords: COD
Microbial fuel cell
MW-AS
Power density
Voltage
ISSN: 19447442
Author Scopus IDs: 56645875100
57200197409
7102245914
Author Affiliations: Shankar, R., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
Mondal, P., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
Chand, S., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
Corresponding Author: Mondal, P.; Department of Chemical Engineering, Indian Institute of Technology RoorkeeIndia
Appears in Collections:Journal Publications [CH]

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