苯氯苯主要基础数据
摘要:主要基础数据(1)苯和氯苯的物理性质项目分子式分子量M沸点,℃临界温度tc,℃临界压强PC,kPA苯AC6H678.1180.1289.24910氯苯BC6H5CL112.56131.8359.24518(2)常压下苯和氯苯的蒸汽压温度,℃POAmmHgPOBmmHg80757.62147.4485889.26179.395901020.9211.35951185.65253.7551001350.4296.161051831.7351.3551102313406.551152638.5477.1251202964547.71253355636.5051303764725.314674945.55140(3)饱和蒸汽压PO苯和氯苯的饱和蒸汽压可用Antoine方程BT+C求算,即lnpo=A−¿¿¿¿式中T—物系温度,K,PO—饱和蒸汽压,mmHgA、B、C—Antoine常数,其值见下表组分ABC苯15.90082788.51-52.36氯苯16.06763295.12-55.60(4)苯-氯苯的气液相平衡数据沸点温度t℃苯的组成液相xA沸点温度气相yAt℃苯的组成液相xA气相yA80.1111200.1290.375900.690.9161300.01950.07231000.4470.785131.8001100.2670.61OOP−PBPAxA=O,y=xAO根据苯、氯苯的饱和蒸汽压,利用泡点方程PA计算出苯-氯苯的气液平PA−PB衡数据如下表:温度℃xA80.1yA11850.8180.957900.6780.911950.5430.847
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本文档由 匿名用户 于 2020-01-26 10:23:58上传分享