Activating Group VIII metal/alumina catalysts with halosilane

Details Activating Group VIII metal/alumina catalysts with halosilane Activating Group VIII metal/alumina catalysts with halosilane

1975-02-03

1976-11-23

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252441, 208112, 26068375, B01J 2708, B01J 2710

Patent

active

039935949

ABSTRACT:
A catalyst comprising a Group VIII metal selected from platinum, iridium, osmium, palladium, rhodium, and ruthenium supported on alumina is activated at an elevated temperature with a halosilane such as silicon tetrachloride. In a preferred embodiment, hydrogen is used in conjunction with the halosilane. In another preferred embodiment HCl is used in conjunction with the halosilane. The resulting catalysts exhibit an outstandingly high isomerization rate constant in the isomerization of feedstocks such as normal butane to isobutane.

REFERENCES:
patent: 3527717 (1970-09-01), Giannetti et al.
patent: 3661770 (1972-05-01), Givens

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