Activating group VIII metal/alumina catalysts with hydrogen hali

Details Activating group VIII metal/alumina catalysts with hydrogen hali Activating group VIII metal/alumina catalysts with hydrogen hali

1975-02-03

1976-09-07

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252442, 26068375, 26068368, 208111, B01J 2708, B01J 2710

Patent

active

039793338

ABSTRACT:
A catalyst comprising a Group VIII metal selected from Pt, Ir, Os, Ru, Rh, or Pd supported on alumina is activated at an elevated temperature with an activating gas comprising a hydrogen halide such as HCl, a halosilane such as silicon tetrachloride, and an organic halide such as ethyl chloride. The resulting catalysts exhibit an outstandingly high isomerization rate constant in the isomerization of feedstocks such as n-butane to isobutane.

REFERENCES:
patent: 3449264 (1969-06-01), Myers
patent: 3661770 (1972-05-01), Givens

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