摘要
In this article VLE data for a ternary system (propylene-methanol-water) under 30～60 C,0. 3～0. 9 MPa with a mass ratio of methanol to water of 9:1, 8: 2, 7: 3 were determined with a static equilibrium still, and were correlated by using Peng-Robinson model. The average relative error ofpropylene concentration in liquid phase is 1. 46 %. The results indicate that the models are very suitablefor the ternary system and the data are reliable.
用静态平衡釜法测定丙烯－水－甲醇三元物系在30～60C，0．3～0．9MPa下，甲醇－水比例为9∶1、8∶2、7∶3时的汽液平衡数据，用Peng－Robinson模型方程对汽液平衡数据进行了关联，求得各模型参数，其中液相丙烯的平均相对偏差为1．46％。
