Process for producing lower alkylene glycol, catalyst compositio

Details Process for producing lower alkylene glycol, catalyst compositio Process for producing lower alkylene glycol, catalyst compositio

1983-05-05

1985-04-16

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

502244, C07C 29136, C07C 3120

Patent

active

045117446

ABSTRACT:
A hydrogenation catalyst composition for use in the hydrogenation of a lower alkyl ester of a lower hydroxycarboxylic acid. The composition is composed of a reduction product of copper-containing silica gel formed by contacting an ammine complex of copper with silica gel having an average particle diameter of not more than 200 microns or colloidal silica sol. A process for producing the catalyst composition is also provided. By using the aforesaid catalyst composition, a lower alkylene glycol can be produced efficiently in high conversions and selectivities without causing pollution attributed to the use of a chromium-containing catalyst composition.

REFERENCES:
patent: 2305104 (1942-12-01), Pardee
patent: 4283581 (1981-08-01), Wilker

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