METHOD OF REGENERATION OF ETHYL ACETATE Russian patent published in 2001 - IPC

Abstract RU 2166496 C2

FIELD: technology of recovery of ethyl acetate from reaction mixtures. SUBSTANCE: regeneration of ethyl acetate comprises carrying out reaction-rectification process of reacting acetic anhydride with mixture to be regenerated in rectification column. Acetic anhydride is directed to column top, distillate being pure ethyl acetate, and acetic acid is withdrawn as stillage product. Pure ethyl acetate is recovered from complex azeotropic mixture of ether, alcohol, acid and water. EFFECT: more efficient recovery method. 1 dwg, 3 ex

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RU 2 166 496 C2

Authors

Pisarenko Ju.A.

Efremov D.L.

Dates

2001-05-10Published

1999-06-29Filed