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Phase Diagram of the NaCl + RbCl + H2O System
Gao, Dandan1,2; Li, Dongdong1,3; Hu, Bin1,3; Li, Wu1,3
2017-03-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume62Issue:3Pages:1063-1067
SubtypeArticle
AbstractSolubility isotherms of the ternary NaCl + RbCl + H2O system were elaborately determined at T = (273.15 and 298.15) K by an isothermal equilibrium method, and the results showed that there are only two solubility branches for the solid phase NaCl(cr) and RbCl(cr) at both temperatures. The liquid composition of invariant points at T = (263.15, 323.15, 338.15, and 348.15) K were also determined. The experimental data at T = 298.15 K were reproduced using a Pitzer-Simonson-Clegg activity model by adding a temperature independent ternary mixing parameter. Then, the solid-liquid equilibria in the ternary NaCl + RbCl + H2O system were predicted from the available binary parameters obtained in our previous study and the mixing parameter regressed at 298.15 K in this study. The model was further validated by comparing the predictions with the present data at other temperatures that were not used in parametrization. Finally, the phase diagram of the ternary NaCl + RbCl + H2O system in the temperature range from the lowest eutectic point to 373.15 K was constructed to lay the foundation for equilibria property predictions for more complex Rb-containing systems.
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS KeywordIONIC-SOLUTIONS ; WATER ; THERMODYNAMICS ; MULTICOMPONENT ; ELECTROLYTES ; SOLUBILITY
Indexed BySCI
Language英语
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000396295900022
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6197
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
盐湖资源与化学实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
2.Qinghai Engn & Technol Res Ctr Comprehens Utiliza, Xining 810008, Peoples R China
3.Key Lab Salt Lake Resources Chem Qmghai Prov, Xining 810008, Peoples R China
Recommended Citation
GB/T 7714
Gao, Dandan,Li, Dongdong,Hu, Bin,et al. Phase Diagram of the NaCl + RbCl + H2O System[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2017,62(3):1063-1067.
APA Gao, Dandan,Li, Dongdong,Hu, Bin,&Li, Wu.(2017).Phase Diagram of the NaCl + RbCl + H2O System.JOURNAL OF CHEMICAL AND ENGINEERING DATA,62(3),1063-1067.
MLA Gao, Dandan,et al."Phase Diagram of the NaCl + RbCl + H2O System".JOURNAL OF CHEMICAL AND ENGINEERING DATA 62.3(2017):1063-1067.
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