应用化学 ›› 1989, Vol. 0 ›› Issue (5): 63-66.

• 研究简报 • 上一篇    下一篇

MgSO4-C2H5OH-H2O三元系汽-液-固平衡的研究

夏树屏, 张晓军, 王桂芬, 高世扬   

  1. 中国科学院盐湖研究所 西宁
  • 收稿日期:1988-07-19 修回日期:1989-01-09 出版日期:1989-10-10 发布日期:1989-10-10
  • 基金资助:
    中国科学院基金

THE VAPOR-LIQUID-SOLID PHASE EQUILIBRIA OF MgSO4-C2H5OH-H2O SYSTEM

Xia Shuping, Zhang Xiaojun, Wang Guifen, Gao Shiyang   

  1. Institute of Salt Lake, Academia Sinica, Xining
  • Received:1988-07-19 Revised:1989-01-09 Published:1989-10-10 Online:1989-10-10

摘要: Николъская[1]测定过MgSO4-C2H5OH-H2三元系在25℃、50℃、75℃的液固平衡和部分不饱和溶液汽液平衡的总压和分压。本文补充了30℃、0℃和-5℃时的溶解度数据,得到分层温度和浓度范围,绘出了溶解度图。测定了25℃和30℃饱和溶液的密度,粘度和平衡总压力。

关键词: 硫酸镁, 乙醇, 三元相图, 汽-液-固平衡

Abstract: The isothermal solubilities of MgSO4-C2H5OH-H2O ternary system at-5, 0,25,30.35 and 50℃ have been determined, the liquid-solid phase diagram has been drawn out andthe equilibrium vapor pressures have been determined by static pressure method at 25℃ and 30℃ respectively. According to Jaque′s pseudobinary model,the Wilson equation and NRTLequation have been tested to calculate the vapor-Jiquid equilibrium data of the system. Itis shown that NRTL equilibrium equation is more agreeable with the experimental values.

Key words: Magnisium sulfate, Ternary phase digram, Vaor-liquid-solid, equilibrium