Process to make technical white oils

Details Process to make technical white oils Process to make technical white oils

1976-10-29

1978-02-07

Levine, Herbert

Mineral oils: processes and products

Refining

With hydrogen

208 14, 208 58, C10G 3706

Patent

active

040726037

ABSTRACT:
A process for making technical white oils in a single step hydrogenation and without the need for acid treating to meet white oil specification by hydrogenating a hydrocracked solvent extracted lubricating oil distilling between 650.degree. and 1050.degree. F., having a SUS/100.degree. F. viscosity of about 200 and an aromatic content of less than about 15% in a single step at 600.degree. to 700.degree. F., and at 2000 to 3000 psig in the presence of a catalyst comprising nickel and tungsten supported on silica-alumina, subjecting the hydrogenated solvent extracted lube oil to atmospheric distillation to remove distillates useful as fuels and subjecting the bottoms of said atmospheric distillation to a vacuum distillation to yield various viscosity grades of technical white oils.

REFERENCES:
patent: 3392112 (1968-07-01), Bercik et al.
patent: 3459656 (1969-08-01), Rausch
patent: 3506565 (1970-04-01), White et al.
patent: 3788972 (1974-01-01), Henry et al.
patent: 3968023 (1976-07-01), Yan

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