Manufacture of hydrocracked low pour lubricating oils

Details Manufacture of hydrocracked low pour lubricating oils Manufacture of hydrocracked low pour lubricating oils

1980-06-12

1981-08-11

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 95, 208100, 208103, C10G 4716, C10G 4922

Patent

active

042832721

ABSTRACT:
Hydrocracked, low pour lubricating oils of good stability are manufactured by passing a suitable hydrocarbon feed and hydrogen sequentially through a hydrocracking zone, a catalytic dewaxing zone, and a hydrotreating zone, all at high pressure and in that order, with purification of the hydrogen gas prior to passage to the dewaxing zone. By maintaining all zones at high pressure, the efficiency of the process is augmented.

REFERENCES:
patent: 3852207 (1974-12-01), Stangeland et al.
patent: 4137148 (1979-01-01), Gillespie et al.
patent: 4162962 (1979-07-01), Stangeland et al.
patent: 4181598 (1980-01-01), Gillespie et al.
patent: 4183801 (1980-01-01), Breuker et al.
patent: 4238316 (1980-12-01), Mooi et al.

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