Phase equilibria in the aqueous ternary systems (LiCl + LiBO2 + H2O) and (Li2SO4 + LiBO2 + H2O) at 323.15 K and 0.1 MPa

Li, Long; Guo, Yafei; Zhang, Sisi; Shen, Mengmeng; Deng, Tianlong

doi:10.1016/j.fluid.2016.12.013

Cited by 35 publications

(27 citation statements)

References 6 publications

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“…may exist in the solution in the system [7]. Moreover, the concentration of B 5 O 6 (OH) 4 cannot be neglected as m (B) in the solution increases [7]. On the other hand, the lacking Pitzer parameters for boron ions cannot be considered as zero.…”

Section: Model Approachmentioning

confidence: 99%

“…e Qaidam Basin in Qinghai is the gathering place of salt lake resources in China [1]. In addition to the rich mineral resources such as potassium, sodium, magnesium, and lithium, the salt lake brine also has a large amount of borates [2][3][4][5]. ese resources have important application value for the development of industry, agriculture, and economic construction [6].…”

Section: Introductionmentioning

confidence: 99%

“…e system Na 2 O-B 2 O 3 -H 2 O is the simple subsystem of the complicated brine system. e phase equilibria in the system in a wide temperature range (273.15∼373.15 K) were reported [12][13][14][15] 4 • 2H 2 O were found in the system at 298.15 K [12][13][14]. e different salt forms with different ratios of Na 2 O and B 2 O 3 in the solution.…”

Section: Introductionmentioning

confidence: 99%

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Thermodynamic Modeling of Boron Species in the Ternary System Na2O-B2O3-H2O at 298.15 K

Chen

Song

et al. 2020

Journal of Chemistry

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The solubilities; concentration of four boron species B(OH)3, B(OH)4−, B3O3(OH)4−, and B4O5(OH)42−; and H+ (OH–) in the system Na2O–B2O3–H2O were calculated with the Pitzer model. The boron species B5O6(OH)4− was not considered in the model calculation. The calculated solubility and pH data are in accordance with the experimental results. The Pitzer model can be used to describe the experimental values. The distributions of the four boron species in the solution were obtained. The mole fractions of the four boron species are mainly affected by the ratio of B2O3 and Na2O in the solution. The dominant boron species in the solution saturated with different salts vary greatly. The results can supply a theoretical reference for sodium borate separation from brine.

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Section: Model Approachmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Thermodynamic Modeling of Boron Species in the Ternary System Na2O-B2O3-H2O at 298.15 K

Chen

Song

et al. 2020

Journal of Chemistry

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“…4 The phase equilibria and phase diagrams can reveal the interaction between the brine and salt minerals and give guidance to the processes in brine including evaporation, concentration, crystallization, and phase transformation. 5 Therefore, it is of great significance to engage the phase equilibria research for utilizing the valuable resources of the oilfield brine.…”

Section: Introductionmentioning

confidence: 99%

“…The concentration of lithium, calcium, and strontium can reach 640.25 mg/L, 6.51 g/L, and 5.36 g/L, respectively, which exceeds the concentration of the separate exploiting production grade. , The oilfield brine is also famous for the extraordinary high concentrations of sodium, potassium, ammonium, calcium, and boron . The phase equilibria and phase diagrams can reveal the interaction between the brine and salt minerals and give guidance to the processes in brine including evaporation, concentration, crystallization, and phase transformation . Therefore, it is of great significance to engage the phase equilibria research for utilizing the valuable resources of the oilfield brine.…”

Section: Introductionmentioning

confidence: 99%

Phase Equilibria in the Quaternary Systems (KCl + CaCl₂ + SrCl₂ + H₂O) and (LiCl + NaCl + SrCl₂ + H₂O) at 288.15 K and 0.1 MPa

Tian

Zhao

et al. 2020

J. Chem. Eng. Data

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Phase equilibria of the quaternary systems (KCl + CaCl 2 + SrCl 2 + H 2 O) and (LiCl + NaCl + SrCl 2 + H 2 O) at 288.15 K and 0.1 MPa were studied using the isothermal dissolution method, and the phase diagrams of the two systems mentioned above were plotted. There are two invariant points and four crystallization regions in the quaternary system (KCl + CaCl 2 + SrCl 2 + H 2 O). Besides the crystallization regions of the minerals KCl, CaCl 2 •6H 2 O, and SrCl 2 •6H 2 O, the solid solution (Ca,Sr)Cl 2 •6H 2 O was found. The strontium and calcium salts can be separated from each other by avoiding crystallization in the solid solution region. There are two invariant points and four crystallization regions corresponding to NaCl, SrCl 2 • 6H 2 O, SrCl 2 •2H 2 O, and LiCl•2H 2 O in the quaternary system (LiCl + NaCl + SrCl 2 + H 2 O). Lithium chloride has a strong salting-out effect on NaCl and SrCl 2 •6H 2 O. The experiment results of the quaternary systems (KCl + CaCl 2 + SrCl 2 + H 2 O) and (LiCl + NaCl + SrCl 2 + H 2 O) have a significant value for separating and purifying minerals from the oilfield brine in the Nanyishan Section of the Qaidam Basin.

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Phase Equilibrium and Solvation Effect of the Ternary Mixture Solvent System (LiCl + CH3OH + H2O) at 298.15, 308.15 and 318.15 K

Wang

Guo

2019

J Solution Chem

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Phase equilibria in the aqueous ternary systems (LiCl + LiBO2 + H2O) and (Li2SO4 + LiBO2 + H2O) at 323.15 K and 0.1 MPa

Cited by 35 publications

References 6 publications

Thermodynamic Modeling of Boron Species in the Ternary System Na2O-B2O3-H2O at 298.15 K

Thermodynamic Modeling of Boron Species in the Ternary System Na2O-B2O3-H2O at 298.15 K

Phase Equilibria in the Quaternary Systems (KCl + CaCl₂ + SrCl₂ + H₂O) and (LiCl + NaCl + SrCl₂ + H₂O) at 288.15 K and 0.1 MPa

Phase Equilibrium and Solvation Effect of the Ternary Mixture Solvent System (LiCl + CH3OH + H2O) at 298.15, 308.15 and 318.15 K

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Phase equilibria in the aqueous ternary systems (LiCl + LiBO2 + H2O) and (Li2SO4 + LiBO2 + H2O) at 323.15 K and 0.1 MPa

Cited by 35 publications

References 6 publications

Thermodynamic Modeling of Boron Species in the Ternary System Na2O-B2O3-H2O at 298.15 K

Thermodynamic Modeling of Boron Species in the Ternary System Na2O-B2O3-H2O at 298.15 K

Phase Equilibria in the Quaternary Systems (KCl + CaCl2 + SrCl2 + H2O) and (LiCl + NaCl + SrCl2 + H2O) at 288.15 K and 0.1 MPa

Phase Equilibrium and Solvation Effect of the Ternary Mixture Solvent System (LiCl + CH3OH + H2O) at 298.15, 308.15 and 318.15 K

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Phase Equilibria in the Quaternary Systems (KCl + CaCl₂ + SrCl₂ + H₂O) and (LiCl + NaCl + SrCl₂ + H₂O) at 288.15 K and 0.1 MPa