Two-stage process for manufacture of white oils

Details Two-stage process for manufacture of white oils Two-stage process for manufacture of white oils

1976-07-23

1977-10-25

Crasanakis, George

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

C10G 2302

Patent

active

040554813

ABSTRACT:
Production of White Oils of sufficient purity to pass the Hot Acid Carbonizable Substances Test and Ultraviolet Absorbance Test is carried out in two stages utilizing lubricating oil feedstock of a broad range of viscosities. The first stage hydrogenation utilizes a sulfur-resistant catalyst which produces an intermediate product of lower viscosity than the starting feedstock. The second stage hydrogenation catalyst is nickel on alumina and is further characterized as having a BET surface area in the range of 130-190 m.sup.2 /g. SU

REFERENCES:
patent: RE27845 (1973-12-01), Gilbert et al.
patent: 3392112 (1968-07-01), Bercik et al.
patent: 3915841 (1975-10-01), Murphy, Jr. et al.

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