Zirconia-containing catalysts

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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B01J 2910

Patent

active

042552885

ABSTRACT:
A catalyst comprising an ultrastable Y-type crystalline aluminosilicate zeolite, alumina, zirconia and a hydrogenation component is prepared by specified methods. The catalysts are suitable as hydrocarbon hydroprocessing catalysts.

REFERENCES:
patent: Re29771 (1978-09-01), Cull et al.
patent: 3694378 (1972-09-01), Ebregi
patent: 3781199 (1973-12-01), Ward
patent: 3840473 (1974-10-01), Bewther et al.
patent: 3928233 (1975-12-01), Young
patent: 4120825 (1978-10-01), Ward
patent: 4151119 (1979-04-01), Gladrow

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