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Solid-Liquid Metastable Equilibria of the Reciprocal Quaternary System (LiCl + MgCl2 + Li2SO4 + MgSO4 + H2O) at 323.15 K
Meng, Lingzong1,3; Yu, Xiaoping1,2; Li, Dan3; Deng, Tianlong1,2
2011-12-01
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷号56期号:12页码:4627-4632
文章类型Article
摘要Experimental studies on the metastable solubilities and the physicochemical properties (density, pH value, conductivity, and viscosity) of the aqueous reciprocal quaternary system (LiCl + MgCl2 + Li2SO4 + MgSO4 + H2O) at 323.15 K were determined with the isothermal evaporation method. According to the experimental results, the dry-salt phase diagram, water-phase diagram, and the physicochemical properties versus composition diagram were plotted. It was found that there are four invariant points, nine metastable solubility isotherm curves, and six metastable crystallization fields corresponding to lithium chloride monohydrate (LiCl center dot H2O), bischofite (MgCl2 center dot 6H(2)O), starkeyite (MgSO4 center dot 4H(2)O), hexahydrite (MgSO4 center dot 6H(2)O), lithium sulfate monohydrate (Li2SO4 center dot H2O), and the double salt lithium-carnallite (LiCl center dot MgCl2 center dot 7H(2)O). No solid solution was found. On the basis of the extended Harvie-Weare (HW) model and its temperature-dependent equation, the values of the Pitzer parameters beta((0)), beta((1)), beta((2)), and C-empty set for Li2SO4, MgCl2, and MgSO4, the mixed ion-interaction parameters theta(Li,Mg), Psi(Li,Mg,Cl), Psi(Li,Mg,SO4), Psi(Li,Cl,SO4) and Psi(Mg,Cl,SO4), and the Debye-Huckel parameter A degrees of the quaternary system at 323.15 K were obtained. The calculated solubility of the quaternary system (LiCl + MgCl2 + Li2SO4 + MgSO4 + H2O) at 323.15 K was done. A comparison between the calculated and the experimental results shows that the predicted solubility agrees well with the experimental data.
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]MINERAL SOLUBILITIES ; NATURAL-WATERS ; PHASE-EQUILIBRIUM ; PREDICTION ; 25-DEGREES-C ; THERMODYNAMICS ; TEMPERATURES ; MODEL
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000297608800048
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/1851
专题青海盐湖研究所知识仓储
作者单位1.Tianjin Univ Sci & Technol, Coll Marine Sci & Engn, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Libratory Salt Lake Resources & Chem, Xining 810008, Peoples R China
3.Linyi Univ, Coll Chem & Environm, Linyi 276005, Peoples R China
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GB/T 7714
Meng, Lingzong,Yu, Xiaoping,Li, Dan,et al. Solid-Liquid Metastable Equilibria of the Reciprocal Quaternary System (LiCl + MgCl2 + Li2SO4 + MgSO4 + H2O) at 323.15 K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2011,56(12):4627-4632.
APA Meng, Lingzong,Yu, Xiaoping,Li, Dan,&Deng, Tianlong.(2011).Solid-Liquid Metastable Equilibria of the Reciprocal Quaternary System (LiCl + MgCl2 + Li2SO4 + MgSO4 + H2O) at 323.15 K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,56(12),4627-4632.
MLA Meng, Lingzong,et al."Solid-Liquid Metastable Equilibria of the Reciprocal Quaternary System (LiCl + MgCl2 + Li2SO4 + MgSO4 + H2O) at 323.15 K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 56.12(2011):4627-4632.
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