Abstract: Equilibrium t-x-y data were determined under a constant pressure of 500 mm Hg for the binary system of 2,3-dichloropropene ( 1 ) and epichlo-rohydrin (2).The data were correlated with the NRTL equation (I) and UNIQUAC equation (**). For (I), △gI2=4.2487, △g21 = 90.095, (α=0.30); for (**), △u12=321.08, △u21=240.83. Equilibrium vapor pressures were also determined for pure ( 1 ) and ( 2 ) in the temperature range of the present work, and correlated with the Antoine equation.

摘要： 测定了2,3-二氯丙烯(1)-环氧氯丙烷(2)二元系在500mmHg下的t-x-y平衡数据,并用NRTL方程(I)和UNIQUAC方程(Ⅱ)进行了关联:对于(I),△g_(12)=4.2487,△g_(21)=90.095.α=0.30;对于(Ⅱ),△μ_(12)=321.08,△μ_(21)=-240.83.同时测定了纯(1)和(2)在本工作温度范围内的饱和蒸汽压,并用Antoine方程进行了关联.