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Thermodynamic Properties of LiCl + MgSO4 + H2O at Temperatures from 273.15 K to 373.15 K and Representation with Pitzer Ion Interaction Model
Zhang, Jie1,2; Li, Dongdong1,3; Yao, Yan1; Sun, Bai1; Zeng, Dewen1,4; Song, Peng-Sheng1
2016-07-01
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷号61期号:7页码:2277-2291
文章类型Article
摘要Osmotic coefficients, water activities, and vapor pressures for the systems of LiCl + H2O, MgSO4 + H2O, and LiCl + MgSO4 + H2O over the ionic strength ranges from I = (0.5552 to 7.0004, 4.1028 to 22.6048, and 1.1982 to 20.5863) mol.kg(-1) respectively at T = (273.15, 298.15, 323.15, 348.15, and 373.15) K were determined by the isopiestic method with an improved simple apparatus. Aqueous CaCl2 solution was chosen as a reference standard. The measured osmotic coefficients for the binary solutions of LiCl + H2O and MgSO4 + H2O were in agreement with those from the literature. The experimental data of osmotic coefficients for the ternary mixtures were represented by using the Pitzer ion -interaction model; the expressions for the temperature dependencies of the model parameters were given. The standard deviations of all the measured osmotic coefficient data from those calculated by using the model over the temperature range were estimated. A set of model equations of apparent molar enthalpy and excess heat capacity for the mixtures as functions of molality and temperature were obtained by differentiating the model equations of excess Gibbs free energy. The mean activity coefficients, relative apparent molar enthalpies, and excess heat capacities were calculated by using the corresponding equations. The effects of composition and temperature on these thermodynamic properties were discussed.
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]LAKE BRINE SYSTEM ; CONCENTRATED ELECTROLYTE MIXTURES ; SOLUBILITY PHASE-DIAGRAM ; ION-INTERACTION MODEL ; ISOPIESTIC DETERMINATION ; OSMOTIC COEFFICIENTS ; 298.15 K ; AQUEOUS-SOLUTIONS ; MINERAL SOLUBILITIES ; HEAT-CAPACITY
收录类别SCI
语种英语
WOS研究方向Thermodynamics ; Chemistry ; Engineering
WOS类目Thermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000379988600011
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6340
专题青海盐湖研究所知识仓储
盐湖资源与化学实验室
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, 18 Xinning Rd, Xining 810008, Peoples R China
2.Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang 453007, Henan, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
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Zhang, Jie,Li, Dongdong,Yao, Yan,et al. Thermodynamic Properties of LiCl + MgSO4 + H2O at Temperatures from 273.15 K to 373.15 K and Representation with Pitzer Ion Interaction Model[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2016,61(7):2277-2291.
APA Zhang, Jie,Li, Dongdong,Yao, Yan,Sun, Bai,Zeng, Dewen,&Song, Peng-Sheng.(2016).Thermodynamic Properties of LiCl + MgSO4 + H2O at Temperatures from 273.15 K to 373.15 K and Representation with Pitzer Ion Interaction Model.JOURNAL OF CHEMICAL AND ENGINEERING DATA,61(7),2277-2291.
MLA Zhang, Jie,et al."Thermodynamic Properties of LiCl + MgSO4 + H2O at Temperatures from 273.15 K to 373.15 K and Representation with Pitzer Ion Interaction Model".JOURNAL OF CHEMICAL AND ENGINEERING DATA 61.7(2016):2277-2291.
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