Abstract
In textile/dye industry, the effluent contains higher chemical oxygen demand (COD) and disposal of this untreated wastewater causes pollution which indeed more toxic for human and aquatic life. Electro-chemical treatment is a simple, reliable and cost-effective method for treatment of such higher COD without any need of additional chemicals and it does not create any secondary pollutants. In this paper, electro-chemical treatment has been used for reduction of COD (mg/l) and various process parameters interaction through optimization technique i.e., Response Surface Methodology (RSM) such as pH, current density and time of electrolysis. The graphical results clearly show the optimum pH required is 5.0729 and a current density of 22.55 mA/cm2 enhanced the COD removal efficiency. The optimum time of electrolysis was found to be 17.717 min. The percent removal of COD was more than 70 % at above optimum values.
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Acknowledgments
The authors would like to thank the Department of Chemical Engineering, Maulana Azad National Institute of Technology (MANIT) Bhopal, India, for providing necessary facilities and established the Advanced Industrial Pollution Abatement Laboratory and Analytical and Simulation Laboratory through Research grant.
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Koshti, S., Rai, A., Arisutha, S., Sen, P., Suresh, S. (2017). Optimization of Engineering and Process Parameters for Electro-Chemical Treatment of Textile Wastewater. In: Mohan B., R., Srinikethan, G., Meikap, B. (eds) Materials, Energy and Environment Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-2675-1_35
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DOI: https://doi.org/10.1007/978-981-10-2675-1_35
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