FIELD: treatment of waste water. SUBSTANCE: treatment of waste water is carried out by electrochemical coagulation under contacting charge mixture of coke, iron and activated carbon, 1: 4: (0.3-0.6), alternately with water and atmospheric oxygen. After electrochemical coagulation flocculating agent such as polyacrilonitrile is added to the waste water in the amount of 0.0005-0.00075 g per 1 g suspended matters. Filtration of floc is carried out by passing it through cation- or anion-exchange filter. EFFECT: increased treatment efficiency. 2 cl
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