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本文应用WCA微扰理论分别计算了由苯、环已烷、甲苯、四氯化碳及二硫化碳构成的二元系的等温气液平衡.我们采用纯组分的蒸气压和密度数据拟合了LJ参数.计算结果表明:总压与实验相吻合,分压明显优于由三参数的 Margules公式关联结果.
In this paper, the isothermal gas-liquid equilibrium of binary systems composed of benzene, cyclohexane, toluene, carbon tetrachloride and carbon disulfide was calculated by WCA perturbation theory respectively.We used the vapor pressure and density data of pure components to fit the LJ The results show that the total pressure agrees well with the experiment and the partial pressure is better than that of the Margules formula with three parameters.