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根据现有实验条件,设计、安装了一套静态法高压汽液平衡的测定装置,并通过测定CO_2的饱和蒸汽压检验了该装置的可靠性.针对本实验装置的特点,探索了一套简便、实用的高压相平衡实验的操作步骤,测定了N_2-CO_2体系的校正因子和在20.00℃,23.00℃,25.30℃,26.90℃,28.90℃5个温度下,压力为6～8MPa的汽液相平衡数据.用M-PR方程对实验数据进行处理,结果满意,且通过了热力学一致性检验.
According to the existing experimental conditions, a set of static pressure high pressure vapor-liquid equilibrium measuring device was designed and installed, and the reliability of the device was tested by measuring the saturated vapor pressure of CO_2. Aiming at the characteristics of this experimental device, , Practical high-pressure phase equilibrium experiment steps, the calibration factor of N 2 -CO 2 system and the vapor-liquid phase of 6 ~ 8MPa at 20 ℃, 23.00 ℃, 25.30 ℃, 26.90 ℃, 28.90 ℃ The data were balanced and the experimental data were processed using the M-PR equation with satisfactory results and passed the thermodynamic consistency test.