The reaction principle of electro-flocculation is to use metals such as aluminum and iron as the anode. Under the action of direct current , the anode is corroded to produce Al and Fe plasma. After a series of hydrolysis, polymerization and ferrous oxidation processes, it develops into various hydroxyl groups. complexes , polynuclear complexes, and hydroxides hydroxy, colloidal impurities in the wastewater, suspended impurities aggregated precipitate separated . at the same time, the charged contaminant particles in an electric field mobility , which is part of the electrodes and the charge Promote its destabilization and aggregation . When wastewater is subjected to electrolytic flocculation treatment, it not only has the effect of coagulation and precipitation on colloidal impurities and suspended impurities, but also can remove many pollutants in the water due to the oxidation effect of the anode and the reduction effect of the cathode.

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