A process for preparing a silica-titania catalyst, suitable for the production of oxirane compounds by reaction of the olefinically unsaturated hydrocarbons with organic hydroperoxides.

摘要

1332527 Oxidation catalysts SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 19 April 1971 [22 Jan 1970] 5937/73 Divided out of 1332526 Heading B1E Catalysts comprising titanium in combination with an inorganic siliceous solid are prepared by impregnating the solid with a substantially non-aqueous solution of a titanium compound in a non-basic, inert, oxygen-substituted hydrocarbon as solvent, removing solvent and calcining the impregnated solid. Promoters are compounds of magnesium and alkali metals.