100
Step1
Step2
Step30.860.860.850.860.850.850.840.850.840.840.820.840.820.820.790.820.790.790.750.790.750.750.70.750.70.7
由实验条件：X D =0.86 X W =0.05
根据实验数据做相平衡曲线做对角线折线画图精馏塔全回流下理论塔板数的计算
0.60.7
0.60.6
0.370.6
0.370.37
0.0650.37
0.0650.065
0.0050.065
0.0050.005 N=10