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Method and apparatus for carbonylating methanol with acetic acid enriched flash stream
Method and apparatus for carbonylating methanol with acetic acid enriched flash stream
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机译:用富乙酸的闪蒸物流羰基化甲醇的方法和设备
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摘要
A carbonylation process for producing acetic acid including: (a) carbonylating methanol or its reactive derivatives in the presence of a Group VIII metal catalyst and methyl iodide promoter to produce a liquid reaction mixture including acetic acid, water, methyl acetate and methyl iodide; (b) feeding the liquid reaction mixture at a feed temperature to a flash vessel which is maintained at a reduced pressure; (c) flashing the reaction mixture to produce a crude product vapor stream.
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