Process for preparing ethylene glycol and lower monohydric alcoh

Details Process for preparing ethylene glycol and lower monohydric alcoh Process for preparing ethylene glycol and lower monohydric alcoh

1983-11-16

1985-12-10

Mars, Howard T.

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

Rhodium containing catalyst utilized

518700, C07C 2706

Patent

active

045580723

ABSTRACT:
Ethylene glycol along with ethylene glycol derivatives and alcohols are prepared from syngas in improved yields by contacting a mixture of carbon monoxide and hydrogen with a catalyst system comprising a ruthenium-containing compound and a manganese-containing compound, both dispersed in a low melting quaternary phosphonium compound dissolved in a solvent and heating the resulting reaction mixture at a temperature of at least 150.degree. C. and a pressure of at least 30 atm. for sufficient time to produce the desired ethylene glycol and monohydric alcohols, and then recovering the same from the reaction mixture. A rhodium-containing compound may optionally be used with the ruthenium-containing compound.

REFERENCES:
patent: 4315994 (1982-02-01), Knifton
patent: 4362821 (1982-12-01), Lin
patent: 4396726 (1983-08-01), Simons

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