Process for the preparation of ethylene glycol

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

C - Chemistry, Metallurgy

07

C

260/635.7

C07C 31/20 (2006.01) C07C 29/149 (2006.01)

Patent

CA 1082231

? ? THE PREPARATION OF ETHYLENE GLYCOL ABSTRACT OF THE DISCLOSURE A process for the preparation of ethylene glycol by the vapor phase hydrogenation of oxalate esters, such as a dibutyl oxalate, at elevated temperatures and at relatively low hydrogen pressures in the presence of a suitable hydrogenation catalyst, such as a copper chromite catalyst, while minimizing the hydrogenolysis of the glycol and other side reactions and maximizing the hydro- genation catalyst activity. 1.

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