Application of Continuous Electrocoagulation Process for Distillery Wastewater Treatment
The present research deals with the treatment of distillery wastewater by continuous electrocoagulation (CEC) process using iron (Fe) as an electrode material. Effects of flow rates (L h−1) and residence time (τ) were studied on removal of various physicochemical parameters (TS, color, COD). COD removal efficiency of 80.10 and 83.1%; and color removal efficiency of 83.2 and 91.5%, respectively was achieved at flow rates of 1.0 and 0.5 dm3 h−1. After 3 h residence time and flow rate of 1 dm3 h−1, TS concentration of wastewater slurry was also decreased by 69%. SEC was decreased from 16.3 to 14.3 kW h per kg COD removed with change in τ from 4 to 1 h. Dissolution and consumption of electrodes were also investigated with a change in flow rates.
Chemical Oxygen Demand, Distillery wastewater, Effluent treatment, Flow rate
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