REACTANT FOR WATER TREATMENT, METHOD OF ITS PRODUCTION AND USAGE Russian patent published in 1996 - IPC

FIELD: water preparation processes, preparation of industrial and drinking waters. SUBSTANCE: polydimethyldiallylammoniumphosphate with mole mass of 30 - 300 thousand s.u. and polydispersion degree of 1.0 - 2.0. To produce reactant for polydimethyldiallylammoniumchloride water solution and salts of metals from main subgroups of first and second groups and also for ammonium they add reactant, that dissociates in water to produce phosphation. During reactant realization it is added as 0.1 - 3.0 % water solution in amount of 0.1 -2.7 mg/l in treated water. EFFECT: increased productivity. 7 cl, 2 tbl