Process for working up crude, liquid vinyl acetate
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United States of America Patent
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May 8, 2001
Grant Date -
N/A
app pub date -
May 21, 1999
filing date -
Jun 5, 1998
priority date (Note) -
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Abstract
A process for working up crude, liquid vinyl acetate feed containing acetic acid, water and ethyl acetate and optionally smaller amounts of other impurities by distillation, wherein there is introduced into the distillation column, above the feed point of the crude, liquid vinyl acetate, 0.1 to 5% by weight of water, based on the crude, liquid vinyl acetate feed, and 0.1 to 60% by weight of acetic acid, based on the crude, liquid vinyl acetate feed.
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