A numeric method for computing limiting concentration of light component in the distillate of binary batch distillation under constant reflux ratio and hold-up in the column is introduced.

• 摘要介绍了采用恒回流比操作方法，在塔顶、塔板持液时，间歇精馏二元理想混合物，馏出液中轻组分极限浓度的数值计算方法。