Treatment of dairy waste water by electro coagulation using aluminum electrodes and settling, filtration studies
نویسنده
چکیده
The removal of COD and oil from dairy wastewater was experimentally investigated using direct current (DC) electrocoagulation (EC). In the EC of dairy wastewater, the effects of initial pH, electrolysis time, initial concentration of COD, and current intensity were examined. The COD in the aqueous phase were effectively removed when aluminum plates were used as sacrificial electrodes. The optimum operating range for each operating variable was experimentally determined. The batch experimental results revealed that COD in aqueous phase was effectively removed. The overall COD removal efficiencies reached 87%. The optimum current intensity, pH and electrolysis time for 1070 mg/dm3 and were 3A, 9, 75 min, respectively. Mean energy consumption was 112.9 kWh/kg
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