In the treatment and reuse of electroplating wastewater , electrocoagulation can overcome the difficult problems of chemical treatment. It can not only effectively remove heavy metal ions in electroplating wastewater, but also reduce the salt content in the water, so that the treated water can be reused in the original Process. The electroplating wastewater treated by electrocoagulation can achieve the following treatment effects: Cr<0.001, the maximum removal rate can reach 100%; Ni<0.005, the maximum removal rate can reach 100%; Zn<0.062, the removal rate can reach 57% .

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