反应精馏合成丙二醇甲醚乙酸酯的研究与模拟优化  

Research and simulation optimization of reactive distillation synthesis of propylene glycol methyl ether acetate

作　　者：蔡鑫磊 黄益平 孙玉玉 岳昌海 黄晶晶 吴丹 夏苗 朱小磊 冯晖[2] CAI Xin-lei;HUANG Yi-ping;SUN Yu-yu;YUE Chang-hai;HUANG Jing-jing;WU Dan;XIA Miao;ZHU Xiao-lei;FENG Hui(China Construction Industrial&Energy Engineering Group Co.,Ltd.,Nanjing 210000,China;College of Chemical Engineering,Nanjing Tech University,Nanjing 211816,China)

机构地区：[1]中建安装集团有限公司,江苏南京210000 [2]南京工业大学化工学院,江苏南京211816

出　　处：《现代化工》2022年第7期224-227,共4页Modern Chemical Industry

摘　　要：研究了丙二醇甲醚(PM)与乙酸(HAC)酯化合成丙二醇甲醚乙酸酯(PMA)的萃取反应精馏工艺。通过间歇反应筛选出合适的催化剂,通过连续反应精馏确定了合适的带水剂及催化剂装填量;模拟优化得到较优的工艺条件,在该条件下PM转化率为93.12%,PMA选择性为98.46%。实验证明模拟结果可靠。The extraction reaction distillation process for the synthesis of propylene glycol methyl ether acetate(PMA) through the reaction between propylene glycol methyl ether and acetic acid is studied.The suitable catalyst is selected via batch reaction, and the suitable catalyst dosage and water entrainer are determined via continuous reaction distillation.The better process conditions are obtained via simulation optimization.The conversion rate can reach 93.12% and the selectivity can reach 98.46% under the optimized conditions.It is verified through experiments that the simulation results are reliable.

关 键 词：反应精馏 丙二醇甲醚醋酸酯 酯化 模拟优化 

分 类 号：TQ216[化学工程—有机化工]