Separation of vinyl acetate from ethyl acetate by extractive dis

Distillation: processes – separatory – Adding material to distilland except water or steam per se – At least two materials

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203 56, 203 58, 203 60, 203 61, 203 62, 203 64, 203DIG10, 560248, B01D 340, C07C 6754

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active

049255339

ABSTRACT:
Vinyl acetate cannot be easily removed from ethyl acetate by distillation because of the closeness of their boiling points. Vinyl acetate can be readily separated from ethyl acetate by means of extractive distillation. Typical effective agents are formic acid, formamide and formic acid-formamide mixture.

REFERENCES:
patent: 3458406 (1969-07-01), Fisher et al.
patent: 3591463 (1971-07-01), Copelin
patent: 3691021 (1972-09-01), Feldman
patent: 3736236 (1973-05-01), Di Fiore et al.

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