Hydrocarbon dehydrocyclization with a superactive multimetallic

Details Hydrocarbon dehydrocyclization with a superactive multimetallic Hydrocarbon dehydrocyclization with a superactive multimetallic

1979-04-26

1980-09-02

Davis, C.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

585419, C10G 3508

Patent

active

042205212

ABSTRACT:
Dehydrocyclizable hydrocarbons are converted to aromatics by contacting them at hydrocarbon dehydrocyclization conditions with a superactive acidic multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyzed rhenium carbonyl component with a porous carrier material containing a catalytically effective amount of a halogen component and a uniform dispersion of a catalytically effective amount of a platinum group component which is maintained in the elemental metallic state. The platinum group, pyrolyzed rhenium carbonyl 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 group metal, about 0.01 to about 5 wt. % rhenium, and about 0.1 to about 3.5 wt. % halogen. A specific example of a dehydrocyclization method disclosed herein is a method for converting a feed mixture of n-hexane and n-heptane to a product mixture of benzene and toluene which involves contacting the feed mixture and a hydrogen stream with the superactive acidic multimetallic catalyst disclosed herein at hydrocarbon dehydrocyclization conditions.

REFERENCES:
patent: 4165274 (1979-08-01), Antos

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