Impregnating solution for hydrotreating catalyst manufacture and

Details Impregnating solution for hydrotreating catalyst manufacture and Impregnating solution for hydrotreating catalyst manufacture and

1979-09-04

1981-08-25

Straub, Gary P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252441, 252465, 252466J, 252470, B01J 3700, B01J 2900, B01J 2364, B01J 2724

Patent

active

042858364

ABSTRACT:
An aqueous, alkaline impregnating solution for the one-step impregnation of fluorine, nickel and molybdenum onto a catalyst support is provided by admixing nickel fluoride, preferably an ammoniacal solution of nickel fluoride and an ammoniacal solution of Mo.sup.+VI to form a compatible impregnating solution consisting essentially of NH.sub.4.sup.+, Ni.sup.++, Mo.sup.+VI and F.sup.-. Nickel and fluorine ions are present in a ratio of substantially 1 to 2. The use of nickel fluoride in a predissolved ammoniacal solution for admixture with the ammoniacal solution of the Mo.sup.+VI renders the resulting impregnating solution highly suitable for impregnation of fluorine, nickel and molybdenum onto a catalyst support by the incipient wetness technique in one-step. The catalyst produced using the present impregnating solution is highly active for hydrotreating lubricating oils.

REFERENCES:
patent: 3113921 (1963-12-01), Archibald
patent: 3269938 (1966-08-01), Le Francois
patent: 3434964 (1969-03-01), Bilosoly 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), Michelson

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