FIELD: water treatment. SUBSTANCE: method employs water-soluble reagents prepared by radical polymerization of acrylamide dissolved in high-basicity aluminum hydroxochloride solution at their weight ratio (0.033-0.533): 1 in presence of hydroxyalkyl tert-butyl peroxide at Al(III) and polyacrylamide concentrations 0.5-50 and 0.14-235 mg/l, respectively. This reagent, showing both flocculant and coagulant properties, is added to natural and waste waters, which are then agitated and precipitate thus formed is separated after settling. EFFECT: enhanced cleaning efficiency. 2 tbl, 4 ex
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