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Solubility Phase Diagram of the Ternary System LiCl-MgCl2-H2O and Li2SO4-MgSO4-H2O at 348.15 K
Li, Hongxia2; Guo, Lijiang3; Zhu, Fayan1
2021-01-14
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume66Issue:1Pages:640-645
AbstractThe 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.
DOI10.1021/acs.jced.0c00807
Language英语
WOS KeywordLI+
Funding ProjectNational 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 Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
Funding OrganizationNational 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
WOS IDWOS:000611409200061
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/47843
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Hongxia; Guo, Lijiang
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Baotou Teachers Coll, Baotou 014030, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
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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