Process for the preparation of ethylene glycol

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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502243, 568881, 568885, C07C 29136, C07C 3120

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active

046281290

ABSTRACT:
A process for the preparation of ethylene glycol by the catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the presence of a hydrogenation catalyst comprising a carrier, which catalyst is suitable for the hydrogenation of alkyl oxalate and alkyl glycolate to ethylene glycol, wherein the carrier has a leachable iron content not greater than about 0.03%, by weight of the carrier.

REFERENCES:
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patent: 3923689 (1975-12-01), Broughton et al.
patent: 4112245 (1978-09-01), Zehner et al.
patent: 4119656 (1978-10-01), Poutsma et al.
Koritala, "J. Am. Oil Chem. Soc.", vol. 45 (1968), pp. 197-200.
Corson et al, "J. Phys. Chem.", vol. 45 (1941), pp. 431-440.

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