Studies on Phase Equilibria in the Ternary System LiCl–SrCl2–H2O and the Quaternary System KCl–LiCl–SrCl2–H2O at 308 K,Journal of Chemical & Engineering Data

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Studies on Phase Equilibria in the Ternary System LiCl–SrCl2–H2O and the Quaternary System KCl–LiCl–SrCl2–H2O at 308 K
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2019-08-27 , DOI: 10.1021/acs.jced.9b00421
Xiao-Ping Li ₁ , Chun-Xia He ₁ , Yun-Yun Gao ₁ , Xiao-Feng He ₁ , Shi-Hua Sang _{1,

2}

Affiliation

The ternary system LiCl–SrCl₂–H₂O and the quaternary system KCl–LiCl–SrCl₂–H₂O at 308 K were investigated using the isothermal dissolution equilibrium method. According to the obtained experimental results, the phase diagrams of the two systems listed above were plotted separately. The results show that both systems belong to hydrate I-type cosaturated systems at 308 K, and there are no double salts or solid solution formation. Lithium chloride has strong salting-out effect on strontium chloride and potassium chloride. There are two invariant points, three univariate curves, and three crystallization zones of SrCl₂·6H₂O, SrCl₂·2H₂O, and LiCl·H₂O in the ternary system LiCl–SrCl₂–H₂O at 308 K. The equilibrium phase diagram of the quaternary system KCl–LiCl–SrCl₂–H₂O at 308 K consists of two invariant points, five univariant curves, and four crystallization zones, which correspond to SrCl₂·6H₂O, SrCl₂·2H₂O, LiCl·H₂O, and KCl. These results can provide solubility data for the development and utilization of the underground brine in the Sichuan Basin of China.

更新日期：2019-08-28

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