A constant-molar-holdup model of normal batch distillation for manufacture of high purity methanol was proposed and solved by the two-point implicit combined with component balance calibration.

• 针对工业甲醇制备高纯甲醇的常规间歇精馏过程,建立了恒摩尔持液模型,采用两点隐含和组分衡算相结合的方法进行了求解。