Pollution reduction and electricity production from dairy industry wastewater with microbial fuel cell

Taguchi L9 orthogonal array was implemented to select optimum values of process parameters and to attain the maximum removal of pollutants and power generation from dairy industry wastewater using double chambered salt bridge microbial fuel cell. The maximum chemical oxygen demand reduction, current...

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Bibliographic Details
Published in:Global journal of environmental science and management 2020-04, Vol.6 (2), p.145-164
Main Author: Sivakumar, D
Format: Article
Language:English
Subjects:
analysis of variance
Biochemical fuel cells
Chemical oxygen demand
Dairy industry
dairy industry wastewater
Dairy industry wastewaters
double chambered salt bridge microbial fuel cell (dcsb-mfc)
Electric power generation
Fuel cells
Fuel technology
Microorganisms
Organic chemistry
Orthogonal arrays
Pollutant removal
Pollutants
Pollution control
Process parameters
Regression models
salt bridge
Salts
signal to noise ratio
Sodium chloride
taguchi l9 orthogonal array
Wastewater
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Summary:Taguchi L9 orthogonal array was implemented to select optimum values of process parameters and to attain the maximum removal of pollutants and power generation from dairy industry wastewater using double chambered salt bridge microbial fuel cell. The maximum chemical oxygen demand reduction, current, voltage, power, current density and power density in double chambered salt bridge microbial fuel cell from dairy industry wastewater was found to be 86.30 %, 16.10 mA, 886.34 mV, 14.27 mW, 1219.69 mA/m2 and 1081.06 mW/ m2 respectively for the optimum value of 1M NaCl concentration, 10 % agar concentration and 0.10 m salt bridge length. Double chambered salt bridge microbial fuel cell was not only removed chemical oxygen demand and produced power, but it also removed other pollutants at the maximum level against the best optimum value of process parameters from the dairy industry wastewater. The proposed regression model was used to select the right combination of process parameters for obtaining a maximum reduction of pollutants and simultaneous power production from the dairy industry wastewater.
ISSN:2383-3572
2383-3866
DOI:10.22034/gjesm.2020.02.02