Development of a thermodynamic model for the Li2CO3-NaCl-Na2SO4-H2O system and its application | |
Wang, Junfeng1; Wu, Xiaowang2; Zhang, Suojiang1 | |
刊名 | JOURNAL OF CHEMICAL THERMODYNAMICS |
2018-08-01 | |
卷号 | 123页码:62-73 |
关键词 | Lithium Carbonate Sodium Chloride Sodium Sulfate Phase Equilibria Modeling |
ISSN号 | 0021-9614 |
DOI | 10.1016/j.jct.2018.03.027 |
英文摘要 | The study of the solid-liquid phase equilibrium for the Li2CO3-NaCl-Na2SO4-H2O system is of significance to separate lithium from the mother liquor obtained by the reaction of lithium chloride/lithium sulfate and sodium carbonate. The phase equilibrium data for the binary system of Li2CO3-H2O, the ternary systems of Li2CO3-NaCl-H2O and Li2CO3-Na2SO4-H2O, and the quaternary system of Li2CO3-NaCl-Na2SO4H2O over the temperature range from 283.15 K to 363.15 K were measured. Based on the Pitzer's model embedded in the Aspen Plus', the phase equilibrium data for the systems of NaCl-H2O, Na2SO4-H2O and NaCl-Na2SO4-H2O taken from literatures were firstly predicted to verify the applicability of parameters from the default database and literatures. Subsequently, besides the solubility of Li(2)CO(3)in water at different temperatures, the values for the systems of Li2CO3-NaCl-H2O and Li2CO3-Na2SO4-H2O at 298.15 K and 343.15 K were correlated, and then the obtained parameters can well predict the phase equilibrium data for the systems of Li2CO3-NaCl-H2O, Li2CO3-NaCl-H2O-H2OLi2CO3-NaCl-Na2SO4-H2O at T= (313.15, 323.15 or 363.15) K. Through the rigorous thermodynamic model representing theLi(2)CO(3)-NaClNa2SO4-H2O system developed, the phase diagram of the ternary Li2CO3-NaCl-H2O system at T(298.15, 343.15 or 363.15) K visualized with lucidity, and the course of crystallization to produce Li2CO3 from the mother liquor was illustrated. All of these will provide a thermodynamic basis for the separation of lithium from mother liquor and optimization of Li2CO3 production process. (C) 2018 Elsevier Ltd. |
资助项目 | National Natural Science Foundation of China[U1407111] ; Fund of State Key Laboratory of Multiphase Complex Systems[MPCS-2017-A-08] ; Program of National Natural Science Foundation of China[91434203] ; Key Research Program of Frontier Sciences CAS[QYZDY-SSW-JSC011] |
WOS关键词 | Chemical-equilibrium Model ; Solid-liquid Equilibrium ; Mineral Solubilities ; Lithium-carbonate ; Phase-equilibrium ; 298.15 k ; Li2co3 ; Temperatures ; Prediction ; Behavior |
WOS研究方向 | Thermodynamics ; Chemistry |
语种 | 英语 |
出版者 | ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD |
WOS记录号 | WOS:000432588200009 |
资助机构 | National Natural Science Foundation of China ; Fund of State Key Laboratory of Multiphase Complex Systems ; Program of National Natural Science Foundation of China ; Key Research Program of Frontier Sciences CAS |
内容类型 | 期刊论文 |
源URL | [http://ir.ipe.ac.cn/handle/122111/24605] |
专题 | 中国科学院过程工程研究所 |
通讯作者 | Zhang, Suojiang |
作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Qinghai CITIC Guoan Sci & Technol Dev Co Ltd, Geermu 816000, Qinghai, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Junfeng,Wu, Xiaowang,Zhang, Suojiang. Development of a thermodynamic model for the Li2CO3-NaCl-Na2SO4-H2O system and its application[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2018,123:62-73. |
APA | Wang, Junfeng,Wu, Xiaowang,&Zhang, Suojiang.(2018).Development of a thermodynamic model for the Li2CO3-NaCl-Na2SO4-H2O system and its application.JOURNAL OF CHEMICAL THERMODYNAMICS,123,62-73. |
MLA | Wang, Junfeng,et al."Development of a thermodynamic model for the Li2CO3-NaCl-Na2SO4-H2O system and its application".JOURNAL OF CHEMICAL THERMODYNAMICS 123(2018):62-73. |
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