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Solubility Phase Diagram of the Ternary System LiCl-MgCl2-H2O and Li2SO4-MgSO4-H2O at 348.15 K

文献类型：期刊论文

作者Li, Hongxia3; Guo, Lijiang1; Zhu, Fayan2
刊名JOURNAL OF CHEMICAL AND ENGINEERING DATA
出版日期2021-01-14
卷号66期号:1页码:640-645
ISSN号0021-9568
DOI10.1021/acs.jced.0c00807
英文摘要The solubility isotherms of the ternary systems LiCl-MgCl2-H2O and Li2SO4-MgSO4-H2O were elaborately redetermined at 348.15 K using an isothermal equilibrium method. The compositions of solid phases were confirmed using the Scherinemakers' wet residue method. The ternary system LiCl-MgCl2-H2O is of a complex type with double salt LiCl center dot MgCl2 center dot 7H(2)O((s)) formed at 348.15 K, it gives the data of two invariant points for the first time and points out the boundary of three univariant curves and three crystallization fields corresponding to LiCl center dot H2O(s), MgCl2 center dot 6H(2)O((s)), and LiCl center dot MgCl2 center dot 7H(2)O((s)) clearly, which is more complete and accurate than the results in the literature at 348.15 K. In the ternary system Li2SO4-MgSO4-H2O, there are three solubility branches corresponding to the solid phases MgSO4 center dot nH(2)O((s)) (n = 6 and 1) and Li2SO4 center dot H2O(s); the phase field of MgSO4 center dot H2O(s) overlaps with the phase field of MgSO4 center dot 6H(2)O((s)), this finding indicates that the phase MgSO4 center dot H2O(s) is stable and MgSO4 center dot 6H(2)O((s)) is metastable; moreover, it gives the true equilibrium solubility data for MgSO4 center dot H2O(s) in the binary system MgSO4-H2O and the ternary system Li2SO4-MgSO4-H2O at 348.15 K and an invariant point which can point out the boundary of the two phase fields of MgSO4 center dot H2O(s) and Li2SO4 center dot H2O(s) definitely.
WOS关键词LI+
资助项目National Natural Science Foundation of China[21868023] ; Natural Science Foundation of Inner Mongolia[2017BS0201] ; Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region[NJYT-19-B16]
WOS研究方向Thermodynamics ; Chemistry ; Engineering
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000611409200061
资助机构National Natural Science Foundation of China ; Natural Science Foundation of Inner Mongolia ; Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region
源URL[http://ir.ipe.ac.cn/handle/122111/47842]  
专题中国科学院过程工程研究所
通讯作者Li, Hongxia; Guo, Lijiang
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
3.Baotou Teachers Coll, Baotou 014030, Peoples R China
推荐引用方式
GB/T 7714		 Li, Hongxia,Guo, Lijiang,Zhu, Fayan. Solubility Phase Diagram of the Ternary System LiCl-MgCl2-H2O and Li2SO4-MgSO4-H2O at 348.15 K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2021,66(1):640-645.
APA Li, Hongxia,Guo, Lijiang,&Zhu, Fayan.(2021).Solubility Phase Diagram of the Ternary System LiCl-MgCl2-H2O and Li2SO4-MgSO4-H2O at 348.15 K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,66(1),640-645.
MLA Li, Hongxia,et al."Solubility Phase Diagram of the Ternary System LiCl-MgCl2-H2O and Li2SO4-MgSO4-H2O at 348.15 K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 66.1(2021):640-645.

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来源：过程工程研究所

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