Vapor phase oxidation process for making glyoxal

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

1989-06-26

1990-12-18

Lone, Werren B.

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

Organic compounds

Oxygen containing

568471, 568473, 568485, C07C 4538, C07C 4539

Patent

active

049788035

ABSTRACT:
In the process for making glyoxal by catalytic oxidation of ethylene glycol in contact with catalyst comprising copper, glyoxal yield is improved and catalyst life is improved by the presence of a small amount of iodine or organic iodide in the reactant feed mixture.

REFERENCES:
patent: 3948997 (1976-04-01), Howe et al.
patent: 4098826 (1978-07-01), Alpers et al.
patent: 4198351 (1980-04-01), Branecky et al.
patent: 4258216 (1981-03-01), Trecek et al.
patent: 4503261 (1985-03-01), Sauer et al.

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