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

Chinese Journal of Applied Chemistry ›› 1989, Vol. 0 ›› Issue (5): 63-66.

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

Xia Shuping, Zhang Xiaojun, Wang Guifen, Gao Shiyang

Institute of Salt Lake, Academia Sinica, Xining

Received:1988-07-19 Revised:1989-01-09 Published:1989-10-10 Online:1989-10-10

Abstract

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

Xia Shuping, Zhang Xiaojun, Wang Guifen, Gao Shiyang. THE VAPOR-LIQUID-SOLID PHASE EQUILIBRIA OF MgSO₄-C₂H₅OH-H₂O SYSTEM[J]. Chinese Journal of Applied Chemistry, 1989, 0(5): 63-66.

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

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