White oil process

Details White oil process White oil process

1980-01-07

1981-04-21

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 18, 208 57, C10G 6502, C10G 4712

Patent

active

042631270

ABSTRACT:
The preparation of food grade white mineral oils of suitable viscosity in high yield from a mineral oil distillate of suitable lubricating oil viscosity comprises contacting the distillate with hydrogen in three catalytic stages to yield a refined lubricating oil from which white mineral oil is recovered. The first reaction stage employs hydrocracking conditions. Subsequent reaction stages employ hydrogenation conditions, first with a sulfur-resistant hydrogenation catalyst and finally with a platinum group metal-containing selective hydrogenation catalyst, optionally activated with a halogen.

REFERENCES:
patent: 3459656 (1969-08-01), Rausch
patent: 3629096 (1971-12-01), Divijak
patent: 3642610 (1972-02-01), Divijak et al.
patent: 3852207 (1974-12-01), Stangeland et al.
patent: 3926777 (1975-12-01), Menzl
patent: 4183801 (1980-01-01), Breuker et al.

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