A Study on waste water Treatment of Chemical Industry using Electro-coagulation

Environmental Engineering

The electro-coagulation is one of the best techniques used for the treatment of industrial wastewaters. Electrocoagulation is derived from the conventional coagulation technique. The cations are generated in solution by electrolytic dissolution of the metal electrodes. This paper reports a research work on wastewater treatment by eletrocoagulation of an chemical industry manufacturing of ‘Thalic Acid’. The goal is to treat the wastewater coming from chemical industries using a Electro-coagulation Technology by using different electrodes. i.e. Mild Steel, Aluminum, Graphite electrodes, different current density is applied in the experiment & experiment was performed at time interval of 5min, 10min, 15min . The experiments show that the reduction in COD is increase by increasing process time & current density. It also concluded that the Iron electrode gives better COD reduction

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