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论文摘要

K^+/Cl^-,CO(3)^(2-),B(4)O(7)^(2-)–H(2)O四元体系298 K介稳溶解度的理论计算

Calculation of the Solubilities of Metastable Phase Equilibrium in the Quaternary System K^+/Cl^-,CO(3)^(2-),B(4)O(7)^(2-)–H(2)O at 298 K

作者:胡子文(成都理工大学);殷辉安(成都理工大学 材料与化学化工学院);李绛(成都理工大学);刘光灿(成都理工大学 材料与化学化工学院);梁渠(成都理工大学 材料与化学化工学院);闫书一(成都理工大学)

Author:Hu Zi-Wen(Chengdu Universerty of Technology);Yin Hui'an(College of Materials and Chemistry & Chemical Eng.,Chengdu Univ. of Technol.);Li Jiang();Liu Guangcan(College of Materials and Chemistry & Chemical Eng.,Chengdu Univ. of Technol.);Liang Qu(College of Materials and Chemistry & Chemical Eng.,Chengdu Univ. of Technol.);Yan Shu-Yi(Chengdu Universerty of Technology)

收稿日期:2009-12-12          年卷(期)页码:2010,42(6):183-186

期刊名称:工程科学与技术

Journal Name:Advanced Engineering Sciences

关键字:介稳相平衡;Pitzer理论; 扎布耶盐湖;四元体系

Key words:metastable equilibrium; Pitzer’s theory; zhabuye salt-lake; quaternary system

基金项目:

中文摘要

利用298 K时三元子体系的介稳相平衡溶解度,采用多元线性回归的方法拟合了Pitzer方程中所需盐的单盐参数及混合参数;并运用Pitzer方程对298 K时四元体系K^+/Cl^-,CO(3)^(2-),B(4)O(7)^(2-)–H(2)O溶解度数据进行了理论计算。研究发现,模拟计算值与实测值基本吻合。

英文摘要

Using the metastable equilibrium solubilities data of the ternary systems at 298 K, the single salt parameters and mixing ion-interaction parameters of Pitzer’s equation were fitted by multiple linear regression method. The solubilities of metastable phase equilibrium of the quaternary system KK^+/Cl^-,CO(3)^(2-),B(4)O(7)^(2-)–H(2)O at 298 K were calculated by Pitzer’s equation. The results showed that the calculated value has a good agreement with the measured data.

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