Preparation of glyoxal from ethylene glycol

Details Preparation of glyoxal from ethylene glycol Preparation of glyoxal from ethylene glycol

1979-07-05

1981-08-04

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4565

Patent

active

042823749

ABSTRACT:
A process for the preparation of glyoxal by vapor phase oxidation of ethylene glycol with oxygen over a copper-containing oxidation catalyst at an elevated temperature and in the presence of a phosphorus compound which is volatile under the reaction conditions, the amount of phosphorus (calculated as P) being from 1 to 100 ppm, based on the weight of ethylene glycol.

REFERENCES:
patent: 2339282 (1944-01-01), McNamee et al.
patent: 2339346 (1944-01-01), McNamee et al.
patent: 2339347 (1944-01-01), McNamee et al.
patent: 2339348 (1944-01-01), McNamee et al.

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