FIELD: oxidation and organic reaction catalysts. SUBSTANCE: activation of titanium-containing silicate depicted by general formula ×TiO2.(1-x)SiO2, in which x ranges from 0.0001 to 0.04, is accomplished by hydrogen peroxide in aqueous medium in presence of fluoride ion or fluorine-containing compound precursors. Activated catalyst is advantageously employed in processes of oxidation of organics with hydrogen peroxide, in particular, in aromatics' hydroxylation reactions, in carbonyl compounds' amoxymation reactions, olefins' epoxidation reactions, and nitrogen-containing compounds' oxidation reactions. EFFECT: increased catalyst activity. 33 cl, 9 tbl, 56 ex
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