Preparation of glyoxal

Details Preparation of glyoxal Preparation of glyoxal

1982-07-22

1985-03-05

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4538

Patent

active

045032610

ABSTRACT:
A process for the continuous preparation of glyoxal by oxidation of ethylene glycol, in which the ethylene glycol, oxygen and an inert gas are passed, at from 450.degree. to 800.degree. C., over a catalyst consisting of one or more layers of copper crystals and one or more layers of silver crystals, the copper and silver crystals having a particle size of from 0.1 to 2.5 mm.

REFERENCES:
patent: 2051266 (1936-08-01), McAllister et al.
patent: 3948997 (1976-04-01), Howe et al.
patent: 4242282 (1980-12-01), Diem et al.
patent: 4258216 (1981-03-01), Trecek et al.
patent: 4302609 (1981-03-01), Baltes et al.

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