FIELD: chemistry.
SUBSTANCE: present invention relates to chemical treatment of industrial or household sewage water, containing lubricant coolants, radioactive contaminants, detergent solutions and ions of heavy metals. The method involves deactivation or de-emulsification with a mixture of aluminium sulphate, iron (111) chloride and calcium chloride, taken in weight ratio 1:(1÷2):(0.15÷0.2) in terms of anhydrous salts. Volume ratio of the mixture is 1-3% of the initial solution. Treatment with a flocculent is done in amount of 1.0÷1.5% of the dose of the mixture. In the preferable version the flocculent used is diphenylamine solution.
EFFECT: simple technology of treating sewage water with efficient purification from different types of contaminants.
2 cl, 4 tbl
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