Process for producing ethylene glycol

Details Process for producing ethylene glycol Process for producing ethylene glycol

1982-02-26

1983-10-25

Evans, J. E.

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

Organic compounds

Oxygen containing

C07C 3120, C07C 2900

Patent

active

044120842

ABSTRACT:
In the preparation of ethylene glycol by reacting methanol, formaldehyde and an organic peroxide, improved yields of ethylene glycol are achieved by the reaction of portions of the total amounts of formaldehyde and peroxide to be reacted with methanol. Formaldehyde and peroxide are incrementally added to a liquid medium containing methanol in controlled amounts during the reaction to permit conversion of each portion of said formaldehyde and peroxide reactants prior to the next addition. The portions are added such that the concentration of glycol in the reaction medium to which a later portion is added is greater than that to which an earlier portion is added. The reaction is continued until all the formaldehyde and peroxide has been incrementally added to the reaction medium and subjected to reaction conditions for a suitable period of time.

REFERENCES:
patent: 4345104 (1982-08-01), Cropley
Oyama, "J. Org. Chem.", 30, Jul. 1965, pp. 2429-2432.
Vogel, "Practical Organic Chemistry", 3rd Ed. 1957, pp. 358, 359, 389, 414, 432, 463.

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