METHOD OF DRINKING WATER TREATMENT Russian patent published in 1997 - IPC

FIELD: water treatment. SUBSTANCE: water is passed through sorbent - copolymer of styrene with divinylbenzene synthesized in toluene medium and preliminary treated with aluminium and iron salts up to the total content of these metals 50-70 mg/dm³ swollen copolymer followed by regeneration of sorbent saturated with impurities with water-air mixture. Method ensures to decrease content of heavy metals, petroleum products, dioxines up to the level below of permissible concentrations. EFFECT: enhanced quality of drinking water. 2 cl, 1 tbl