Solid and liquid metastable phase equilibria in the aqueous quaternary system Li+, Mg2+//SO4 2–, borate-H2O at 273.15 K

Meng, Lingzong; Guo, Yafei; Li, Dan; Deng, Tianlong

doi:10.1007/s40242-017-6404-7

Cited by 3 publications

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“…The variation tendency of MZW varies with the impurity concentrations. A noticeable widening of the MZW was found after adding Cl − and SO 4 2− impurities to the solution [12]. The MZW of K 2 B 4 O 7 ·4H 2 O decreases with the impurity concentration (Li + , Ca 2+ ) increasing [13].…”

Section: Introductionmentioning

confidence: 97%

“…The borate usually has an obvious metastable phenomenon because there are many polyborate ions in the borate solution [3]. Lithium metaborate salt crystallizes from the tetraborate solution during the brine evaporation at a low temperature [4], but lithium tetraborate does not crystallize from the tetraborate solution. Therefore, it is meaningful to study the metastable zone width (MZW) of lithium metaborate salt for its comprehensive utilization of boron resources.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Impurity Ions on Solubility and Metastable Zone Width of Lithium Metaborate Salts

Meng

Guo

et al. 2019

Crystals

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The metastable zone width (MZW) of lithium metaborate salts at various concentrations was determined using the laser technique. The solubility data for lithium metaborate salts was nearly the same in the presence of NaCl at various concentrations. The MZW of lithium metaborate salts decreased when the stirring rate increased, but increased remarkably with increasing cooling rates and an increasing concentration of sodium chloride. The apparent secondary nucleation order for lithium metaborate salts was obtained using the Nývlt's approach. The apparent secondary nucleation order m of lithium metaborate salts is 4.00 in a pure LiBO 2 −H 2 O system with an improved linear regression method. The m for lithium metaborate salts was enlarged in the system LiBO 2 −NaCl−H 2 O.

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Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Effect of Impurity Ions on Solubility and Metastable Zone Width of Lithium Metaborate Salts

Meng

Guo

et al. 2019

Crystals

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Metastable Phase Equilibrium in the Reciprocal Quaternary System LiCl+MgCl2+Li2SO4+MgSO4+H2O at 348.15 K and 0.1 MPa

Qin

Guo

et al. 2018

Chem. Res. Chin. Univ.

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Recent progresses on the boron species in aqueous solution: structure, phase equilibria, metastable zone width (MZW) and thermodynamic model

Zhang

Meng

2020

Reviews in Inorganic Chemistry

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The complexity of boron species in aqueous solution becomes the bottleneck in development of boron resources from brine. The concentrations of different boron species and transformation mechanism among boron species are mainly affected with the total boron concentration, temperatures, pH of the solution, and cations in the solution. The change trends for concentration of total boron in the complicated aqueous solution can be obtained with the phase equilibrium results, but the accurate concentration of boron species in the solution cannot be obtained. The metastable zone width (MZW) of borates and H3BO3 changed with the concentrations of impurity ions, the stirring rate, cooling rate, and original temperature for the saturated solution. The Pitzer model is the effective method to calculate the concentration of boron species. More thermodynamic data at temperatures below and above 298.15 K are needed for model parameterization. The main problems existed in the systems containing boron species were summarized, and the future development direction is also discussed. The progresses on boron species in the aqueous solution can provide fundamental data in the comprehensive exploitation of the brine boron resource.

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Solid and liquid metastable phase equilibria in the aqueous quaternary system Li+, Mg2+//SO4 2–, borate-H2O at 273.15 K

Cited by 3 publications

References 4 publications

Effect of Impurity Ions on Solubility and Metastable Zone Width of Lithium Metaborate Salts

Effect of Impurity Ions on Solubility and Metastable Zone Width of Lithium Metaborate Salts

Metastable Phase Equilibrium in the Reciprocal Quaternary System LiCl+MgCl2+Li2SO4+MgSO4+H2O at 348.15 K and 0.1 MPa

Recent progresses on the boron species in aqueous solution: structure, phase equilibria, metastable zone width (MZW) and thermodynamic model

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