Hydrotreating catalyst and manufacture thereof

Details Hydrotreating catalyst and manufacture thereof Hydrotreating catalyst and manufacture thereof

1979-09-04

1982-05-04

Straub, Gary P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252442, 252458, 252459, 252465, 252466R, 252470, 208216R, 208251H, 208254H, 208217, B01J 3700, B01J 2900, C10G 4500, C10G 1700

Patent

active

043281281

ABSTRACT:
A tungsten-free hydrotreating catalyst is produced by contacting a refractory metal oxide support with an aqueous impregnating solution formed from an ammoniacal solution of nickel fluoride, preferably predissolved, and an Mo.sup.+VI oxide. The impregnating solution consists 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 and preferably contains nickel and fluoride ions in a ratio of substantially 1 to 2, and is used in an amount necessary for impregnating by the incipient wetness technique in a one-step impregnation. The impregnated catalyst support is then heated to a temperature sufficient to drive off ammonia and thereby deposit fluorine, nickel and molybdenum. The resulting catalyst is highly active for hydrotreating lube oil feedstocks.

REFERENCES:
patent: 3113921 (1963-12-01), Archibald
patent: 3269938 (1966-08-01), LeFrancois
patent: 3434964 (1969-03-01), Bilisoly et al.
patent: 3525684 (1970-08-01), O'Hara
patent: 3567654 (1971-03-01), Van Dyke
patent: 3673112 (1972-06-01), Levinson
patent: 3998721 (1976-12-01), O'Hara
patent: 4152251 (1979-05-01), Mickelson

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