Acidic multimetallic catalytic composite

Details Acidic multimetallic catalytic composite Acidic multimetallic catalytic composite

1975-11-14

1977-02-22

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252442, B01J 2706

Patent

active

040091236

ABSTRACT:
Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with an acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a tin component, a cobalt component and a halogen component with a porous carrier material. The platinum group component, tin component, cobalt component, and halogen component are present in the multimetallic catalyst in amounts respectively, calculated on an elemental basis, corresponding to about 0.01 to about 2 wt. % platinum group metal, about 0.01 to about 5 wt. % tin, about 0.5 to about 5 wt. % cobalt, and about 0.1 to about 3.5 wt. % halogen. Moreover, these metallic components are uniformly dispersed throughout the porous carrier material in carefully controlled oxidation states such that substantially all of the platinum group metal is present therein in the elemental metallic state, substantially all of the cobalt component is present in the elemental metallic state or in a state which is reducible to the elemental metallic state under hydrocarbon conversion conditions, while substantially all of the tin is present therein in an oxidation state above that of the elemental metal. A specific example of the type of hydrocarbon conversion process disclosed is a process for the catalytic reforming of a low-octane gasoline fraction wherein the gasoline fraction and a hydrogen stream are contacted with the acidic multimetallic catalyst disclosed herein at reforming conditions.

REFERENCES:
patent: 2925447 (1960-02-01), Appell
patent: 3558523 (1971-01-01), Rausch
patent: 3576766 (1971-04-01), Ransch
patent: 3644198 (1972-02-01), Wilhelm
patent: 3700588 (1972-10-01), Weisang et al.
patent: 3790473 (1974-02-01), Rausch
patent: 3881696 (1975-05-01), Lepeytre
patent: 3909451 (1975-09-01), Wilhelm
patent: 3917541 (1975-11-01), Wright

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