FIELD: preparation of catalysts. SUBSTANCE: catalyst contains 13.8-21.6 wt % alumina, 3.0-12.3 wt % of individual and mixed IV period transition metal oxides, and silica - the balance. Specific surface of catalyst is 86-120 sq.m/g. Honeycomb ceramic carrier is prepared using air silica gel as binder in amount 40-60%. Air silica gel is prepared through freezing Aerosil at 0 to -25 C followed by unfreezing and drying at 50-120 C. Catalytically active substances are applied by impregnating carrier with transition metal salts. EFFECT: improved procedure. 4 cl, 6 tbl
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Authors
Dates
1997-10-20—Published
1992-12-22—Filed