Solubility in the reciprocal quaternary K+-Na+-SO42−-VO3−-H2O system at (293.15 and 313.15)K

Drużyński, Sebastian; Mazurek, Krzysztof; Kiełkowska, Urszula; Szalla, Aleksandra; Wróbel, Adriana

doi:10.1016/j.fluid.2015.06.036

Fluid Phase Equilibria

2015

DOI: 10.1016/j.fluid.2015.06.036

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Solubility in the reciprocal quaternary K+-Na+-SO42−-VO3−-H2O system at (293.15 and 313.15)K

Sebastian Drużyński

Krzysztof Mazurek

Urszula Kiełkowska

et al.

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2024

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Solid–Liquid Phase Equilibrium for the Ternary System NaVO₃–KVO₃–H₂O at 298.15 K

Xu,

Deng,

Wang

et al. 2024

J. Chem. Eng. Data

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The stable phase equilibrium of the ternary system NaVO 3 −KVO 3 −H 2 O at 298.15 K was investigated using the isothermal solution equilibrium method and the Schreinemaker wet residue method. The equilibrium liquid phase solubility data and physical property data [density (ρ), refractive index (n D ), pH] were determined, and X-ray diffraction was utilized to verify the material composition of the equilibrium solid phase. Phase diagrams and physical property−composition diagrams were constructed based on the equilibrium solubility data and physical property data. The results show that the ternary system has a complex salt generation process with two invariant points, three univariate curves, and three crystalline phase regions corresponding to NaVO 3 •2H 2 O, KVO 3 , and Na 2m K n (VO 3 ) 2m+n , respectively. The solid phase precipitated from a saturated NaVO 3 solution at 298.15 K is NaVO 3 •2H 2 O, as confirmed by a comparison of experimental results and the literature. The chemical composition of the complex salt generated from the NaVO 3 −KVO 3 −H 2 O ternary system follows the general formula of the Na 2m K n (VO 3 ) 2m+n complex salt proposed by Druzynski's group, thereby validating the reliability of the present experiment. This study provides new experimental data for the preparation and separation of metavanadate.

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Solid–Liquid Phase Equilibrium for the Ternary System NaVO₃–KVO₃–H₂O at 298.15 K

Xu,

Deng,

Wang

et al. 2024

J. Chem. Eng. Data

View full text Add to dashboard Cite

show abstract

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Solubility in the reciprocal quaternary K+-Na+-SO42−-VO3−-H2O system at (293.15 and 313.15)K

Cited by 1 publication

References 13 publications

Solid–Liquid Phase Equilibrium for the Ternary System NaVO₃–KVO₃–H₂O at 298.15 K

Solid–Liquid Phase Equilibrium for the Ternary System NaVO₃–KVO₃–H₂O at 298.15 K

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Solubility in the reciprocal quaternary K+-Na+-SO42−-VO3−-H2O system at (293.15 and 313.15)K

Cited by 1 publication

References 13 publications

Solid–Liquid Phase Equilibrium for the Ternary System NaVO3–KVO3–H2O at 298.15 K

Solid–Liquid Phase Equilibrium for the Ternary System NaVO3–KVO3–H2O at 298.15 K

Contact Info

Product

Resources

About

Solid–Liquid Phase Equilibrium for the Ternary System NaVO₃–KVO₃–H₂O at 298.15 K

Solid–Liquid Phase Equilibrium for the Ternary System NaVO₃–KVO₃–H₂O at 298.15 K