B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/88, 196/95
B01J 23/64 (2006.01) B01J 23/656 (2006.01) B01J 27/08 (2006.01) C10G 35/09 (2006.01)
Patent
CA 1096361
ABSTRACT OF THE DISCLOSURE Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a selectively sulfided acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a sulfided rhenium component and a halogen component with a porous carrier material formed from Ziegler alumina. The platinum group component, sulfided rhenium component and halogen component are present in the multimetallic catalytic composite in an amount, Calculated on an elemental basis, corresponding to 0.01 to 2 wt.% platinum group metal, 0.01 to 2 wt.% rhenium, 0.1 to 10 wt.% halogen and sulfur in an amount at least sufficient to provide an atomic ratio of sulfur to rhenium of at least 0.5:1. These metallic components are moreover, relatively uniformly dispersed throughout the Ziegler aluminum carrier materail in carefully controlled oxidation state such that substantially all of the platnum group metal is present therein in the elemental metallic state and a substantial portion of the rhenium present therein is maintained in a sulfided state. A key feature of the hydro- carbon conversion process using the subject catalyst involves the continuous maintenance of the sulfided state of the rhenium component for the duration of the hydrocarbon conversion process. A specific example of the type of hydrocarbon conversion process disclosed herein 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 instant selectively sul- fided acidic multimetallic catalyst at reforming conditions.
302784
Antos George J.
Hayes John C.
Mitsche Roy T.
Macrae & Co.
Uop Inc.
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