Alkyne hydrogenation catalyst and process

Details Alkyne hydrogenation catalyst and process Alkyne hydrogenation catalyst and process

1995-04-19

1996-12-24

Mc Farlane, Anthony

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Halogen or compound containing same

502224, 502229, 502327, 502339, 585259, 585277, B01J 2706, B01J 2713, B01J 27128, B01J 2344

Patent

active

055873480

ABSTRACT:
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 C.sub.2 -C.sub.10 alkynes (preferably acetylene) to the corresponding alkenes in the presence of sulfur impurities.

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patent: 5489565 (1996-02-01), Cheung et al.
Yeung Park and Geoffrey Price, "Promotional Effects of Potassium on Pd/A1.sub.2 O.sub.3 Selective Hydrogenation Catalysts", Ind. Eng. Chem. Res. 1992, vol. 31, pp. 469-474.

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