Process for the preparation of ethylene glycol

Details Process for the preparation of ethylene glycol Process for the preparation of ethylene glycol

1985-02-04

1987-06-30

Evans, J. E.

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

Organic compounds

Oxygen containing

502345, C07C 29136, C07C 3120

Patent

active

046772340

ABSTRACT:
A process for the preparation of ethylene glycol by the vapor phase catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the presence of a hydrogenation catalyst comprising a carrier, which catalyst is suitable for the hydrogenation of alkyl oxalate and alkyl glycolate to ethylene glycol, wherein the improvement lies in preparing the catalyst by contacting the carrier with a cooper ammonium carbonate complex medium and reducing the catalytically-active copper moiety to its active copper form.

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