Process for making ethylene glycol

Details Process for making ethylene glycol Process for making ethylene glycol

1974-05-15

1976-02-24

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252431R, 252431N, 252443, 260449L, 2604495, C07C 2706, C07C 2916

Patent

active

039404323

ABSTRACT:
This invention is concerned with improving the ethylene glycol production capabilities of the metal carbonyl catalyzed reaction between carbon monoxide and hydrogen by conducting the reaction such that the ethylene glycol concentration in the reaction mixture is less than 5 gram moles per liter, preferably between about 0.4 to 5 gram moles per liter of reaction mixture and the molar formation ratio between ethylene glycol and methanol in the reaction mixture exceeds about 0.3. In a preferred embodiment, a continuous process is operated in such a manner that the concentration of ethylene glycol in the product mixture removed from the reactor is greater than the average concentration of ethylene glycol in the reactor.

REFERENCES:
patent: 1741307 (1929-12-01), Jaeger
patent: 2534018 (1950-12-01), Gresham
patent: 2636046 (1953-04-01), Gresham
patent: 3081357 (1963-03-01), Alderson et al.
patent: 3351666 (1967-11-01), Mertzweiller et al.
patent: 3644446 (1972-02-01), Booth et al.
patent: 3833634 (1974-06-01), Pruett et al.

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