Hydrocarbon conversion with an acidic multimetallic sulfur-free

Details Hydrocarbon conversion with an acidic multimetallic sulfur-free Hydrocarbon conversion with an acidic multimetallic sulfur-free

1975-01-16

1977-04-19

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208111, 2606833, 26068368, 252441, C10G 3508, B01J 2374, C10G 1302, C07C 528

Patent

active

040186687

ABSTRACT:
Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with an acidic multimetallic sulfur-free catalytic composite comprising a combination of catalytically effective and specially selected amounts of a platinum group component, a lead component, a cobalt component, and a halogen component with a porous carrier material. The platinum group component, lead 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 0.1 to about 3.5 wt. % halogen, an atomic ratio of lead to platinum group metal of about 0.5:1 to about 1.5:1 and an atomic ratio of cobalt to platinum group metal of at least about 5:1 to about 25:1. Moreover, these metallic components are uniformly dispersed throughout the porous carrier material in carefully controlled oxidation states and in the absence of sulfur 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 lead is present therein in an oxidation state above that of the elemental metal. A specifc 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 sulfur-free catalyst disclosed herein at reforming conditions.

REFERENCES:
patent: 3377269 (1968-04-01), Bloch
patent: 3661804 (1972-05-01), Scholz et al.
patent: 3723554 (1973-03-01), Wilhelm
patent: 3759823 (1973-09-01), Davies et al.
patent: 3770616 (1973-11-01), Kominami et al.
patent: 3781221 (1973-12-01), Kominami et al.
patent: 3875048 (1975-04-01), Iwaisako et al.
patent: 3875253 (1975-04-01), Huang

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