FIELD: waste water treatment. SUBSTANCE: waste water is treated by pulse high-voltage discharges and simultaneously is saturated with dispersed air. Then, waste water is subjected to flotation, biological treatment, and sorption on carbon-sand filters. To waste water, prior to be treated by pulse discharges, coagulant reagent can be added. EFFECT: enhanced purification of waste water. 2 cl, 3 dwg , 1 tbl
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