FIELD: chemistry.
SUBSTANCE: to implement the method, waste water from production of emulsion rubber and latex from leukanol is purified by adding a coagulant based on a polymer salt of a quaternary ammonium salt. The coagulant used is polydiallyldimethylammonium chloride in amount of 5-10 mg/l of waste water. The polydiallyldimethylammonium chloride is added to waste water before the floatation installation.
EFFECT: more than three-fold reduction of concentration of leukanol in the purified water after the floatation installation, which reduces water consumption for dilution to the leukanol discharge standard by more than three-fold.
2 cl, 2 tbl, 12 ex
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