Hydrocarbon conversion with an acidic multimetallic catalytic co

Details Hydrocarbon conversion with an acidic multimetallic catalytic co Hydrocarbon conversion with an acidic multimetallic catalytic co

1976-05-17

1977-04-19

Davis, C.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

252441, 252466PT, C10G 3508

Patent

active

040186695

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 or palladium component, a rhodium component, a cobalt component, and a halogen component with a porous carrier material. A preferred modifying component for the disclosed catalytic composite is a Group IVA metallic component. The platinum or palladium, rhodium, cobalt and halogen components are present in the multimetallic catalyst in amounts respectively, calculated on an elemental basis, corresponding to about 0.01 to about 2 wt. % platinum or palladium, about 0.01 to about 2 wt. % rhodium, about 0.05 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 or palladium and rhodium components are present therein in the elemental metallic state and substantially all of the catalytically available 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 or in a mixture of these states. 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: 3898154 (1975-08-01), Rausch
patent: 3948762 (1976-04-01), Hayes
patent: 3957624 (1976-05-01), Pollitzer et al.
patent: 3960709 (1976-06-01), Hayes

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