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AssigneeUop LLC
InventorsDonald F. Best, Gary N. Long, Regis J. Pellet, Jule A. Rabo, Edward T. Wolynic, Frank P. Gortsema, Albert R. Springer
Estimating the term…
A process for hydrocracking a crude oil feed, a hydrocracking catalyst employed therein, and a process for the preparation of this catalyst are disclosed. The hydrocracking catalyst comprises a zeolitic aluminosilicate which has an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 6 and which has been treated by (i) thermal treatment at an effective temperature and for an effective time in the presence of steam, followed by (ii) ion-exchange with a solution containing ammonium ion; and (2) an effective amount of a hydrogenation component. In a preferred embodiment, the starting crystalline zeolitic aluminosilicate is a Y-type zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least about 9 and a unit cell dimension (a.sub.o) of less than about 24.55 .ANG., and the steam treatment is carried out for a period sufficient to cause a decrease of not more than about 0.1 .ANG. in the unit cell dimension, thereby producing a Y-type zeolite product having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least about 9 and a unit cell dimension of less than about 24.45 .ANG..
A process for hydrocarbon conversion if a hydrocarbon feedstock under conditions effective to cause hydrocracking of said feedstock and thereby to produce lower boiling hydrocarbons which comprises contacting said hyrocarbon feedstock in the presence of hydrogen with a catalyst comprising:
A process according to claim wherein the effective time is greater than 0.1 hour.
A process for hydrocarbon conversion of a hydrocarbon feedstock under conditions effective to cause hydrocracking of said feedstock and thereby to produce lower boiling hydrocarbons which comprises contacting said hydrocarbon feedstock in the presence of hydrogen with a catalyst comprising:
Dependencies are inferred from the claim text.