Vapor phase oxidation process for glyoxal

Details Vapor phase oxidation process for glyoxal Vapor phase oxidation process for glyoxal

1979-04-09

1981-03-24

Lone, Werren B.

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

Organic compounds

Oxygen containing

568471, C07C 4538

Patent

active

042582164

ABSTRACT:
The process for preparing glyoxal from ethylene glycol wherein a gaseous mixture of ethylene glycol, oxygen, and inert diluent gas is reacted in the presence of a catalyst containing as essential ingredients phosphorous with copper, with silver, or with both copper and silver, to form glyoxal, is improved by incorporating in said gaseous mixture a vapor of a bromine compound.

REFERENCES:
patent: 2339282 (1944-01-01), McNamee et al.
patent: 2339346 (1944-01-01), McNamee et al.
patent: 2339348 (1944-01-01), McNamee et al.
patent: 3948997 (1976-04-01), Howe et al.

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