Impregnating solution for hydrogenation catalyst manufacture and

Details Impregnating solution for hydrogenation catalyst manufacture and Impregnating solution for hydrogenation catalyst manufacture and

1981-03-06

1983-08-16

Straub, Gary P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252440, 252470, B01J 2364, B01J 2724

Patent

active

043990584

ABSTRACT:
An aqueous, alkaline impregnating solution for the one-step impregnation of nickel and molybdenum onto a catalyst support is provided by admixing nickel sulfate, preferably an ammoniacal solution of nickel sulfate and an ammoniacal solution of Mo.sup.+VI oxide to form a compatible impregnating solution. Nickel and sulfate ions are present in a ratio of substantially 1 to 1. The use of nickel sulfate in a predissolved ammoniacal solution for admixture with the ammoniacal solution of the Mo.sup.+VI oxide permits a higher metals loading of the impregnating solution and renders the resulting impregnating solution highly suitable for impregnation of 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 desulfurization of naphthas, middle distillate oils and asphalt-containing oils.

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