FIELD: sewage treatment. SUBSTANCE: sewage were deemulsified simultaneously at deactivation. Sewage were treated at pH medium 4.5-6.5 with deemulsifier prepared from mixture of aluminium sulfate and ferric (III) chloride taken at mass ratio = 1:(1-2) (as measured for anhydrous salts) and flocculant is added at amount 1.0-15% of deemulsifier dose. Sewage to be treated can contain lubricant-cooling liquids and radioactive contaminants. EFFECT: improved method of treatment. 2 cl, 3 tbl
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