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NaCl-KCl-NaNO_3-KNO_3-H_2O四元体系相平衡的计算 被引量:1

CALCULATION OF PHASE EQUILIBRIUM FOR NaCI-KCI-NaNO_3-KNO_3-H_2O SYSTEM
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摘要 在Pitzer提出的求解活度系数数学模型的基础上,建立了四元体系液-固相平衡数据的计算方法和计算机程序。计算结果同实验数据比较的结果表明,该方法能用于NaCI-KCl-NaNO_3-KNO_3-H_2O体系相平衡数据的计算。 Based on the mathematic model of activity coefficient made by Pitzer, presents a calculating method and program for liquidsolid phase equilibrium with the 4-components system.The comparition between calculating and experimental results shows that this method is suitable to calculate the phase equilibrium data for NaCl-KCl-NaNO_3-KNO_3-H_2O system.
出处 《山东工业大学学报》 1989年第4期46-52,共7页
关键词 氯化钠 氯化钾 硝酸盐 相平衡 Phase equilibrium Computational method Activity Mathematical models
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同被引文献13

  • 1苑庆忠,刘金惠.Na~+,K~+∥Cl~-,NO_3^-—H_2O体系25℃相图数据的预测及应用[J].山东轻工业学院学报(自然科学版),1994,8(4):30-35. 被引量:1
  • 2黄雪莉,宋彭生.Na^+,K^+,Mg^(2+)/NO_3^-,Cl^-,SO_4^(2-)-H_2O体系25℃热力学模型和溶解度预测 Ⅰ:六元体系所需的Pitzer参数[J].盐湖研究,2005,13(4):21-28. 被引量:7
  • 3C.E.Harvie,N.Moller,J.H.Weare.The prediction of mineral solubilities in natural waters:The Na-K-Mg-Ca-H-Cl-SO4-OH-HCO3-CO3-CO2-H2O system to high ionic strengths at 25℃[J].Geochim.Cosmochim.Acta,1984,48(4):723-751.
  • 4K.S.Pitzer and J.J.Kim.Thermodynamics of electrolytes.IV.Activity and osmotic coefficients for mixed electrolytes.[J].J.A.C.S.1974,96(18):5701-5707.
  • 5Bezboruah,A.K.Covington,and R.A.Robinson.Excess Gibbs energies of aqueous mixtures of alkali metal chlorides and nitrates[J].J.Chem.Thermodynamics 1970(2):431-437.
  • 6R.A.Robinson and C.K.Lim[J].Trans.Faraday Soc.,1953(49):1144.
  • 7Platford R.F.Thermodynamics of mixed salts solutions:Excess Gibbs energies of mixing for the six ternary systems formed from aqueous MgCl2,Mg(NO3)2,CaCl2,and Ca(NO3)2 at 25℃[J].J.Chem.Thermodynamics,1971(3):319-324.
  • 8Manohar,S.,Ananthaswamy,J..J.Electrochem.Soc.,India,1988(37):299.
  • 9Manohar,S.,Ananthaswamy,J..Thermodynamic Properties of Electrolyte Solutions:An EMF Study of the Activity Coefficients of KCl in the System KCl-KNO3-H2O at 25,35 and 45℃[J].J.Solution Chem.,1990,19(11):1125-1135.
  • 10Kim Hee-Talk,Frederick W.J.Jr.,Evaluation of Pitzer Ion Interaction Parameters of Aqueous Mixed Electrolyte Solutions at 25 ℃,2.Ternary Mixing Parameters[J].J.Chem.Eng.Data,1988,38(3):278-283.

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