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生产醋酸的羰基化过程包括:(a)在族Ⅷ金属催化剂和甲基碘促进剂存在下,羰基化甲醇或它的反应与生物生产液体反应混合物,混合物含有醋酸,水,醋酸甲酯和甲基碘;(b)在原料温度下将液体反应混合物加入闪蒸器,闪蒸器保持在减压条件下;(c)边加热闪蒸器,边同时闪蒸反应混合物生产粗产品蒸汽流,该过程中,选择反应混合物并控制反应混合物加入闪蒸器的速度和供给闪蒸器的热量,以至于粗产品蒸汽流的温度保持在小于90℉,比加
The carbonylation process for the production of acetic acid comprises: (a) carbonylation of methanol or its reaction with a biological production liquid reaction mixture in the presence of a Group VIII metal catalyst and a methyl iodide promoter, the mixture containing acetic acid, water, methyl acetate and methyl Iodine; (b) adding the liquid reaction mixture to a flasher at a feed temperature and maintaining the flasher under reduced pressure; (c) producing a crude product vapor stream while heating the flasher while flashing the reaction mixture, , Selecting the reaction mixture and controlling the rate at which the reaction mixture is added to the flasher and the amount of heat supplied to the flasher so that the temperature of the crude product vapor stream is maintained at less than 90 ° F,