FIELD: natural and sewage treatment. SUBSTANCE: hydroxides of metals of groups II, III and VIII of periodic system or their mixtures were treated with acid titanium-containing solution at ratio of titanium : metal = 1: (0.5-0.7), at 60 C (not below). Reagent provides treatment degree of natural water from the suspended substances up to 95%. EFFECT: enhanced effectiveness of reagent, improved method of preparing. 2 cl, 2 tbl
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Authors
Dates
1997-08-20—Published
1993-08-05—Filed