Technology of ternary azeotropic distillation for making anhydrous ethanol from ternary azeotropic system of ethanol,benzene and water(EBW) was simulated by CHEMCAD simulation software.

• 用CHEMCAD软件对乙醇、苯和水三元恒沸体系生产无水乙醇的工艺进行了模拟。