Design of Optimum Response Surface Experiments for Electro-Coagulation of Distillery Spent Wash |
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| Authors: | R Krishna Prasad R Ram Kumar S N Srivastava |
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| Institution: | 1. School of Chemical and Biotechnology, SASTRA University, Thanjavur, 613 402, India
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| Abstract: | Electro-coagulation (EC) of a distillery spent wash has been optimized by Box–Behnken design of surface response analysis in terms of color removal. The design was employed to derive a statistical model for the effect of parameters studied on removal of color using iron anodes. The current density (31 mA/cm2), dilution (17.5%) and time of electrolysis (4 hours) had been found to be the optimum conditions for maximum 95% color removal. The actual color removal at optimized conditions was found to be 93.5% which confirms close to the predicted response using response surface methodology. |
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