Acetic acid removal from liquid ether acetates

Details Acetic acid removal from liquid ether acetates Acetic acid removal from liquid ether acetates

1994-03-21

1994-12-06

Prescott, Arthur C.

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

Organic compounds

Carboxylic acid esters

560265, C07C 6702

Patent

active

053712790

ABSTRACT:
Disclosed is a method of making a liquid ether acetate. After reacting acetic acid with the corresponding ether alcohol, the resulting mixture of ether acetate, water, acetic acid, and ether alcohol is, with no distillation, contacted with alumina. Particular ether acetates that can be treated include ethylene glycol monobutyl ether acetate and diethylene glycol monobutyl ether acetate. The treated acetates are more stable to hydrolysis after they have been passed over a bed of alumina.

REFERENCES:
patent: 4004069 (1977-01-01), Bernhardt et al.
patent: 4082777 (1978-04-01), Fisher et al.
patent: 4206151 (1980-06-01), Grudzinskas
patent: 5231222 (1993-07-01), Papa et al.
"Activated Alumina for Removing Dissolved Organic Compounds" by Abraham S. C. Chen et al., Journal of American Waterworks Association, vol. 81 (1), pp. 53-60 (1989).

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