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Carbonylation of methanol in the presence of a rhodium / iridium / iodide ion catalyst system
Carbonylation of methanol in the presence of a rhodium / iridium / iodide ion catalyst system
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机译:在铑/铱/碘化物离子催化剂体系存在下甲醇的羰基化
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摘要
The present invention provides a process for the carbonylation of an alcohol, ether or ester to products comprising a carboxylic acid, the anhydride thereof or coproduction of the carboxylic acid and anhydride. More particularly, the present invention provides a process for the carbonylation of methanol to produce acetic acid by reacting methanol with carbon monoxide in a liquid reaction medium containing a catalyst comprising rhodium, iridium, iodide ion, and said reaction medium further comprising water, acetic acid, methyl iodide, and methyl acetate and subsequently recovering acetic acid from the resulting reaction product.
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