Lubricating oil hydrotreating process

Details Lubricating oil hydrotreating process Lubricating oil hydrotreating process

1979-09-04

1981-08-25

Straub, Gary P.

Mineral oils: processes and products

Refining

Sulfur removal

208251H, 208254H, 208217, 252441, 252442, 252458, 252459, 252465, 252466R, 252470, C10G 4504, C10G 4560, C10G 1700, B01J 3700

Patent

active

042858070

ABSTRACT:
A lube oil feedstock is subjected to hydrotreating in the presence of hydrogen and a fluorine-promoted catalyst comprising nickel and molybdenum on a support wherein the nickel and fluorine are derived from an ammoniacal solution of nickel fluoride. The catalyst can be prepared by contacting the support with an alkaline impregnating solution consisting essentially of NH.sub.4.sup.+, Ni.sup.++, MO.sup.+VI and F.sup.-, said Ni.sup.++ and F.sup.- being supplied from nickel fluoride, in a single step employing the incipient wetness technique. The impregnated support is thereafter heated to drive off the alkaline component of the solution and thereby deposit the fluorine, nickel and molybdenum on the support.

REFERENCES:
patent: 3012963 (1961-12-01), Archibald
patent: 3113921 (1963-12-01), Hemminger
patent: 3269938 (1966-08-01), LeFrancois
patent: 3434964 (1969-03-01), Bilisoly et al.
patent: 3525684 (1970-08-01), O'Hara
patent: 3673112 (1972-06-01), Leviwson
patent: 3998721 (1976-12-01), O'Hara
patent: 4152251 (1979-05-01), Mickelson

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