In order to separate n-hexane-ethyl acetate azeotrope,batch azeotropic distillation was often used and the entrainer played a key role in the process.

• 正己烷和乙酸乙酯形成最低共沸物,采用间歇共沸精馏方法分离回收时,共沸剂的选择和用量直接影响实验效果。