乙醇水气液平衡数据.doc

液相中乙醇的摩尔分数汽相中乙醇的摩尔分数液相中乙醇的摩尔分数汽相中乙醇的摩尔分数0.00.00.450.6350.010.110.500.6570.020.170.550.6780.040.270.600.6980.060.340.650.7250.080.3920.700.7550.100.430.750.7850.140.4820.800.820.180.5130.850.8550.200.5250.8940.8940.250.5510.900.8980.300.5750.950.9420.350.5951.001.000.400.6142乙醇---水溶液的比热计算公式c=4.229+[1.3377tlog(x)—2.307x—1.2773t]x10-2pm式中：c——比热[kJ/kg.r]pmx——乙醇的质量百分数t――温度[°C]3乙醇一水溶液的汽化潜热计算公式r二1.9867x10，3x2—13.8799x+2.2525x103m式中：rm——汽化潜热[kJ/kg]x——乙醇的质量百分数液相组成汽相组成沸点，C液相组成汽相组成沸点，C001000.4540.63480.400.02010.18794.950.5000.65780.000.05070.33190.50.5400.66979.750.07950.40287.70.5960.69679.550.1050.44686.20.6410.71979.300.1460.49884.50.7060.75878.850.2000.52583.30.7600.79378.600.2500.55182.350.7980.81878.400.3000.57581.600.8600.86478.200.3510.59681.200.8940.89478.150.4000.61480.75。