作　　者： ; ; ;

机构地区： 南昌大学环境与化学工程学院化学工程系

出　　处： 《南昌大学学报（理科版）》 2003年第2期161-164,共4页

摘　　要： 用泵式沸点仪测定了常压下一甲胺-三甲胺-水三元系在不同液相组成时的沸点,并用间接法TPx推算了一甲胺-水、三甲胺-水的汽相平衡组成y。用最小二乘法求出了此二元体系的液相活度系数模型参数,在一甲胺-水、三甲胺-水两个二元系基础上计算三元系,并回归出一甲胺-三甲胺二元系的Wilson参数。用Wilson模型对所测的数据进行关联,建立该系统汽液平衡的热力学模型并计算平衡时的汽相组成。 The boiling points of the monomethylamine- trimethylamine- water ternary systems were determined at atmospheric pressure with a pump-equilibrator.The vapor phase compositions had been calculated from TPx by the indirect method,The model parameters of liquid activity coefficient were correlated by the least square method. The ternary systems were calculated based on the monomethylamine-H2O、trimethylamine- H2O of the two binary systems, the Wilson model parameters of the monomethylamine- trimethylamine binary system were determined by the linear regression. These data have been treated by the Wilson model, setting up the thermodynamic model of this system on the vapor liquid equilibrium.

关 键 词： 一甲胺 三甲胺 水 三元系 汽液平衡 泵式沸点仪 液相活度系数 热力学 汽相组成

领　　域： [理学] [理学]