Phase Equilibrium and Phase Diagram for the Quaternary System LiBr-NaBr-KBr-H2O at 298.15 K

被引：20

作者：

Cui, Rui-Zhi ^{[1
,2
]}

Li, Wu ^{[1
,2
]}

Dong, Ya-Ping ^{[1
,3
]}

Li, Jun ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China

[2] Chinese Acad Sci, Key Lab Salt Lake Resources Chem Qinghai Prov, Xining 810008, Peoples R China

[3] Chinese Acad Sci, Qinghai Engn & Technol Res Ctr Comprehens Utiliza, Xining 810008, Peoples R China

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2020年 / 65卷 / 06期

基金：

中国国家自然科学基金;

关键词：

MINERAL SOLUBILITIES; AQUEOUS SYSTEM; NATURAL-WATERS; LITHIUM; MODEL; ELECTROLYTES; PREDICTION; POTASSIUM; CHLORIDE; IONS;

D O I：

10.1021/acs.jced.0c00048

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The solubilities in the thermodynamic phase equilibria of the LiBr-NaBr-KBr-H2O system and its two subsystems LiBr-NaBr-H2O and LiBr-KBr-H2O at 298.15 K were investigated experimentally by the isothermal solution equilibrium method. Relevant stable-phase diagrams were plotted based on the experimental results. Using Pitzer's solution model, nonreported mixing parameters Psi(Li,Na,Br) and Psi(Li,K,Br) were acquired and the solubilities of three systems were also predicted at 298.15 K. The results show that good agreement was obtained between calculated and experimental values.

引用

页码：3021 / 3028

页数：8

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