摘要
测定了正庚烷-苯甲醇部分互溶系统在308～325K范围内的过量体积V_m^E,根据V_m^E的不连续性确定了该系统的液-液平衡数据,与文献值一致。用UNIQUAC和流体混合物的双格子模型对液-液平衡数据进行了关联,得到满意的结果。
The excess volume V_m^E have been measured for heptane-benzyl alcohol binary at 12 temperatures range from 308K to 325K and correlated by R-K polynomial. The liquidliqdid equilibrium data are obtained according to the discontinuity of V_m^E versus x and are agreement with literature value. Those liquid-liquid equilibrium data are correlated using UNIQUAC model and Hu et al's double-lattice model for mixture of liquid.
关键词
相平衡
苯甲醇
液-液平衡
liquid-liquid equilibria
thermodynamics
phase equilibria
excess volume
benzyl alcohol
