Low pressure hydrocracking of refractory feed

Details Low pressure hydrocracking of refractory feed Low pressure hydrocracking of refractory feed

1979-10-22

1981-03-24

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208111, C10G 4716, C10G 6510

Patent

active

042578728

ABSTRACT:
The present invention provides a process for low pressure catalytic hydrocracking of refractory hydrocarbon charge stocks, such as coker gas oil or shale oil to products of reduced pour points by catalytic hydrotreating and cascading the hydrotreater effluent through a hydrocracking zone, containing a catalyst which is characterized by an alkali metal substantilly non-acidic crystalline zeolite having an alpha activity of less than about 10, a silica/alumina ratio of at least about 12 and a constraint index of approximately 1 to 12.

REFERENCES:
patent: 3256177 (1966-06-01), Tulleners et al.
patent: 3287252 (1966-11-01), Young
patent: 3726787 (1973-04-01), Frazier et al.
patent: 3790471 (1974-02-01), Argauer et al.

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