使用工程软件Aspen Plus对以环己烷为夹带剂的反应共沸精馏合成丙酸丙酯的过程进行模拟,并优化了工艺流程。结果表明,当反应精馏塔的操作条件为精馏段6块板,反应段和提馏段都为7块板时,塔釜产品丙酸丙酯的摩尔质量分数高达99.41%。 Aspen Plus was used to simulate the process of azeotropic distillation of propyl propionate with cyclohexane as entrainer and the process flow was optimized. The results showed that the molar mass fraction of propyl propionate in the bottoms product was as high as 99.41% when the operating conditions of the reactive distillation column were six plates in the rectification section, seven in the reaction section and the stripping section.