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US 7,220,700 B2Granted
Catalyst and process for selective hydrogenation
AssigneeExxonMobil Chemical Patents Inc.
InventorsDavid M. Lowe, Michel Molinier, John D. Y. Ou, Michael A. Risch, Anthony F. Volpe, Jr., Jeffrey C. Yoder, Valery Sokolovskii
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Abstract
A selective hydrogenation catalyst composition comprises a support; a first metal component comprising rhodium; and a second metal component comprising a metal other than rhodium and selected from Groups 1 to 15 of the Periodic Table of Elements, wherein said first and second components are predominantly contained in an outer surface layer of the support having a depth of not more than 1000 microns.
Claims21
A catalyst composition consisting of:
- (a) a support;
- (b) rhodium component;
- (c) an indium component;
- and optionally
- (d) a third metal component wherein the metal in said third metal component is selected from the group consisting of iron, cobalt, and ruthenium,
- wherein said rhodium and indium components and said third metal component, if present, are predominantly contained in an outer surface layer of the support having a depth of not more than 300 microns.
3 more elements
Dependencies are inferred from the claim text.