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使用BASIC和FORTRAN语言编写了UNIFAC程序。此程序有计算溶液活度系数和估算基团相互作用参数这两种功能。利用此程序对34组二元物系计算了活度系数和汽-液平衡,计算结果和实验数据吻合良好,所有数据总的相对平均偏差不大于1.6%。
The UNIFAC program was written in BASIC and FORTRAN languages. This program has two functions of calculating the solution activity coefficient and estimating the group interaction parameter. Using this program, the activity coefficient and the vapor-liquid equilibrium of 34 binary systems are calculated. The calculated results are in good agreement with the experimental data. The relative average deviation of all the data is not more than 1.6%.