Alkyne hydrogenation catalyst and process

Details Alkyne hydrogenation catalyst and process Alkyne hydrogenation catalyst and process

B - Operations, Transporting

01

J

B01J 27/13 (2006.01) B01J 23/56 (2006.01) B01J 23/58 (2006.01) B01J 23/66 (2006.01) B01J 27/12 (2006.01) C07C 5/09 (2006.01) C07C 7/167 (2006.01) C07C 11/02 (2006.01)

Patent

CA 2168387

A catalyst composition comprises palladium, at least one chemically bound alkali metal (preferably potassium), chemically bound fluorine and an inorganic support material (preferably alumina), wherein the atomic ratio of fluorine to alkali metals about 1.3:1 to about 4:1. Preferably, silver is also present in the catalyst composition. The above-described catalyst is employed as a catalyst in the selective hydrogenation of C2-C10 alkynes (preferably acetylene) to the corresponding alkenes in the presence of sulfur impurities.

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