Solubilities, densities and refractive indices of the reciprocal quaternary systems (Na+, K+//Cl−, B5O8− - H2O) and (Li+, K+//Cl−, B5O8− - H2O) at 298.15 K and atmospheric pressure

Guo, Yafei; Song, Jiangtao; Zhao, Kaiyu; Yu, Yi

doi:10.1016/j.fluid.2020.112594

Cited by 7 publications

(7 citation statements)

References 12 publications

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“…The refractive index decreases slightly with temperature increase at a constant acid concentration (Figure 1a). This property depends on the molar refraction and the molar volume as shown in Equation (15). Thus, the temperature effect could be attributed to the increasing of the solution molar volume with temperature changes (by density decreases [6]) at a constant acid concentration, because the molar refraction is unaffected.…”

Section: Binary Systemsmentioning

confidence: 99%

“…The molar refraction and refractive index of the systems H3BO3+Na2SO4+H2O and H3BO3+Li2SO4+H2O were described using Equations (13) and (15). The boric acid concentration was calculated with the equation reported in our previous work [58] because the solutions were saturated in boric acid.…”

Section: Ternary Systemsmentioning

confidence: 99%

“…It decreases when temperature rises at a constant salt concentration. Equations (13) and (15) represent appropriately the molar refraction and refractive index, respectively, using the binary parameters estimated for boric acid and potassium chloride (Table 2). For the refractive index, r 2 and S.E.…”

Section: Ternary Systemsmentioning

confidence: 99%

“…To demonstrate the estimation capabilities of the model within and beyond the range of the fitted experimental data, the molar refraction and refractive index for aqueous solutions of boric acid (1) in presence of lithium sulfate (2) were calculated from Equations (13) and (15), respectively. These properties were estimated from unsaturated to saturated solutions in boric acid at different lithium sulfate concentrations and temperatures between (283.15 and 323.15) K. The results are consistent at all temperatures and concentrations studied, as shown in Figures 17 and 18.…”

Section: Models' Estimation Applicabilitymentioning

confidence: 99%

“…Brines containing these valuable resources are also located in other salt lakes in Chile, Bolivia, Argentina, China [15,16], and the USA [11,17], thus the monitoring of brine processing by the refractive index could be used where the solar evaporation process is applied. To monitor the brines' processing using the refractive index, experimental data of the chemical systems involved are required [18].…”

Section: Introductionmentioning

confidence: 99%

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Modeling of the Refractive Index for the Systems MX+H2O, M2X+H2O, H3BO3+MX+H2O, and H3BO3+M2X+H2O. M = K+, Na+, or Li+ and X = Cl− or SO42−

2021

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The modeling of the refractive index for binary aqueous solutions of boric acid, sodium chloride, potassium chloride, sodium sulfate, lithium sulfate, and potassium sulfate, as well as ternary aqueous solutions of boric acid in the presence of sodium sulfate, lithium sulfate, or potassium chloride, is reported. The refraction index was represented by molar refraction. It was described as the sum of solutes’ partial molar refraction and solvent molar refraction. The solutes’ partial molar refraction was estimated from the molar refraction of the binary solutions. The excess molar refraction for these systems was described with the equation of Wang et al. The polarizability of the solutes present in the studied systems was estimated using the Lorenz–Lorenz relation. The results showed the model is appropriate for describing the systems studied; the interactions of boric acid, sodium, potassium, lithium, chloride, and sulfate ions with water molecules are relevant to explain the molar refraction and refractive index, and those for the binary systems of lithium chloride and sodium chloride are also relevant the ion–ion interactions. The model is robust and presents estimation capabilities within and beyond the concentrations and temperature range studied. Therefore, the outcomes represent valuable information to understand and follow the industrial processing of natural brines.

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Section: Binary Systemsmentioning

confidence: 99%

Section: Ternary Systemsmentioning

confidence: 99%

Section: Ternary Systemsmentioning

confidence: 99%

Section: Models' Estimation Applicabilitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Modeling of the Refractive Index for the Systems MX+H2O, M2X+H2O, H3BO3+MX+H2O, and H3BO3+M2X+H2O. M = K+, Na+, or Li+ and X = Cl− or SO42−

2021

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Solid-liquid phase equilibria of the quinary system containing sodium, potassium, lithium, chloride and pentaborate ions at 298.15 K and 101.325 kPa

Guo

Song

Yuan

et al. 2021

The Journal of Chemical Thermodynamics

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Solid–Liquid Phase Equilibria of the Reciprocal Quaternary System (Li + Na + Cl + BO₂ + H₂O) at 288.15 K and 0.1 MPa

Qin

Wang

et al. 2020

J. Chem. Eng. Data

Self Cite

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Boron and lithium play an important role in many industries, which are widely distributed in brines of the Qaidam basin. In order to effectively separate lithium and boron mixed salts, the experimental solubilities, solution densities, and refractive indices of the quaternary system (Li + Na + Cl + BO 2 + H 2 O) at T = 288.15 K and P = 0.1 MPa were measured. There are six minerals, corresponding to NaCl, LiCl•2H 2 O, NaBO 2 •4H 2 O, LiBO 2 •8H 2 O, LiBO 2 •2H 2 O, and the double salt NaCl•NaBO 2 •2H 2 O, that existed in this system. LiBO 2 •8H 2 O occupies the greatest part of the phase region, while LiCl•2H 2 O covers the smallest. These results show that LiBO 2 •8H 2 O could be easily crystallized and separated from this system. LiBO 2 •8H 2 O will dehydrate and transform into LiBO 2 •2H 2 O in the concentrated LiCl aqueous solution.

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Solubilities, densities and refractive indices of the reciprocal quaternary systems (Na+, K+//Cl−, B5O8− - H2O) and (Li+, K+//Cl−, B5O8− - H2O) at 298.15 K and atmospheric pressure

Cited by 7 publications

References 12 publications

Modeling of the Refractive Index for the Systems MX+H2O, M2X+H2O, H3BO3+MX+H2O, and H3BO3+M2X+H2O. M = K+, Na+, or Li+ and X = Cl− or SO42−

Modeling of the Refractive Index for the Systems MX+H2O, M2X+H2O, H3BO3+MX+H2O, and H3BO3+M2X+H2O. M = K+, Na+, or Li+ and X = Cl− or SO42−

Solid-liquid phase equilibria of the quinary system containing sodium, potassium, lithium, chloride and pentaborate ions at 298.15 K and 101.325 kPa

Solid–Liquid Phase Equilibria of the Reciprocal Quaternary System (Li + Na + Cl + BO₂ + H₂O) at 288.15 K and 0.1 MPa

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Solubilities, densities and refractive indices of the reciprocal quaternary systems (Na+, K+//Cl−, B5O8− - H2O) and (Li+, K+//Cl−, B5O8− - H2O) at 298.15 K and atmospheric pressure

Cited by 7 publications

References 12 publications

Modeling of the Refractive Index for the Systems MX+H2O, M2X+H2O, H3BO3+MX+H2O, and H3BO3+M2X+H2O. M = K+, Na+, or Li+ and X = Cl− or SO42−

Modeling of the Refractive Index for the Systems MX+H2O, M2X+H2O, H3BO3+MX+H2O, and H3BO3+M2X+H2O. M = K+, Na+, or Li+ and X = Cl− or SO42−

Solid-liquid phase equilibria of the quinary system containing sodium, potassium, lithium, chloride and pentaborate ions at 298.15 K and 101.325 kPa

Solid–Liquid Phase Equilibria of the Reciprocal Quaternary System (Li + Na + Cl + BO2 + H2O) at 288.15 K and 0.1 MPa

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Solid–Liquid Phase Equilibria of the Reciprocal Quaternary System (Li + Na + Cl + BO₂ + H₂O) at 288.15 K and 0.1 MPa