The performance of the reactive distillation dividing-wall column for coproduction of ethyl acetate and butyl acetate was experimentally studied. n-Butanol and ethanol are raw reaction materials that react with acetic acid in the reaction zone to produce n-butyl acetate and ethyl acetate, respectively. n-Butyl acetate is not only a product, but also acts to remove water generated by the esterification reactions. The effects of various parameters, such as catalyst loading per stage, reflux ratio, liquid split and molar feed ratios, ethyl acetate/n-butyl acetate purity, pressure drop, and total energy consumption, are investigated. Results show that ethanol could be completely converted and the products could be easily separated, which shows great industrial application potential in the coproduction of ethyl acetate and n-butyl acetate.
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