In particular, we find the m-xylene from feed line could be a better entrainer for the industrial separation of acetic acid-water system.It can improve the process to have more economic benefits.

• 吾人进一步发现在不须醋酸异丁酯为共沸剂的情况下，原本存在于进料中所含的间位二甲苯在电脑模拟中显示其亦可以做为绝佳的共沸剂，如此可以省去醋酸异丁酯的添加，对此工业醋酸去水制程的改善可能会有极佳的助益。