Acidic sulfur-free multimetallic catalytic composite

Details Acidic sulfur-free multimetallic catalytic composite Acidic sulfur-free multimetallic catalytic composite

1978-05-17

1979-12-18

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252442, B01J 2708, B01J 2710

Patent

active

041794052

ABSTRACT:
An acidic sulfur-free multimetallic hydrocarbon conversion catalytic composite comprises a combination of catalytically effective amounts of a platinum group component, a rhenium component, a cobalt component, an indium component and a halogen component with a porous carrier material. The platinum group, rhenium, cobalt, indium 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 2 wt. % rhenium, about 0.1 to about 5 wt. % cobalt, about 0.01 to about 5 wt. % indium and about 0.1 to about 3.5 wt. % halogen. Moreover, the catalytically active sites induced by these metallic components are uniformly dispersed throughout the porous carrier material and these components are present in the catalyst in carefully controlled oxidation states such that substantially all of the platinum group component is in the elemental metallic state, substantially all of the indium component is present in a positive oxidation state and substantially all of the rhenium and catalytically available cobalt components are 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.

REFERENCES:
patent: 2911357 (1959-11-01), Myers et al.
patent: 3415737 (1968-12-01), Kluksdahl
patent: 3660271 (1972-05-01), Keith et al.
patent: 3759841 (1973-09-01), Wilhelm
patent: 3892657 (1975-07-01), Wilhelm

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