Catalytic process for manufacture of lubricating oils

Details Catalytic process for manufacture of lubricating oils Catalytic process for manufacture of lubricating oils

1980-07-07

1981-09-29

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208254H, 208 97, C10G 4512, C10G 4818, C10G 6502

Patent

active

042921660

ABSTRACT:
A method is disclosed for converting an asphalt-free heavy hydrocarbon oil to high V.I. low pour point lube base stock and naphtha. The heavy oil is first catalytically dewaxed with a catalyst such as Ni-ZSM-5 and the dewaxed oil is then hydrocracked, or hydroconverted with a large pore zeolite catalyst such as dealuminized Y or ZSM-20 associated with palladium. The V.I. is controlled by the severity of the hydroconversion step.

REFERENCES:
patent: 3520796 (1970-07-01), Murphy et al.
patent: 3658689 (1972-04-01), Steinmetz et al.
patent: 3755145 (1973-08-01), Orkin
patent: 3894938 (1975-07-01), Gorring et al.
patent: 3956102 (1976-05-01), Chen et al.
patent: 4137148 (1979-01-01), Gillespie et al.
patent: 4162962 (1979-07-01), Stangeland et al.

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