Preparation of acetic acid and acetic anhydride
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United States of America Patent
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Issued Date -
Nov 3, 2011
app pub date -
Apr 29, 2010
filing date -
Apr 29, 2010
priority date (Note) -
Abandoned
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Abstract
Disclosed is a process for the preparation of acetic acid and acetic anhydride. The process comprises carbonylating dimethyl carbonate. The carbonylation reaction for producing acetic acid is performed in the presence of water, while the carbonylation for producing acetic anhydride is performed essentially in the absence of water.
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