Modelling of the extraction equilibrium of zinc from chloride solutions with tri‐n‐octylphosphine oxide

Ruey‐Shin ‐S Juang

doi:10.1002/jctb.280540113

Modelling of the extraction equilibrium of zinc from chloride solutions with tri‐n‐octylphosphine oxide

Ruey‐Shin ‐S Juang^*

^*Corresponding author for this work

Yuan Ze University

Research output: Contribution to journal › Journal Article › peer-review

1 Scopus citations

Abstract

The extraction of zinc from chloride solutions with tri‐n‐octylphosphine oxide (TOPO) dissolved in benzene has been thermodynamically studied based on the law of mass action. A model employing the simplified Pitzer equations for stoichiometric activity coefficient estimations is found to be effective for the explanation and prediction of the distribution data, and the thermodynamic extraction constant is determined as log K_et = 5.16 ± 0.11 at 20°C.

Original language	English
Pages (from-to)	75-80
Number of pages	6
Journal	Journal of Chemical Technology and Biotechnology
Volume	54
Issue number	1
DOIs	https://doi.org/10.1002/jctb.280540113
State	Published - 1992
Externally published	Yes

Keywords

modelling extraction equilibrium
tri‐n‐octylphosphine oxide
zinc chloride

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10.1002/jctb.280540113

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abstract = "The extraction of zinc from chloride solutions with tri‐n‐octylphosphine oxide (TOPO) dissolved in benzene has been thermodynamically studied based on the law of mass action. A model employing the simplified Pitzer equations for stoichiometric activity coefficient estimations is found to be effective for the explanation and prediction of the distribution data, and the thermodynamic extraction constant is determined as log Ket = 5.16 ± 0.11 at 20°C.",

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N2 - The extraction of zinc from chloride solutions with tri‐n‐octylphosphine oxide (TOPO) dissolved in benzene has been thermodynamically studied based on the law of mass action. A model employing the simplified Pitzer equations for stoichiometric activity coefficient estimations is found to be effective for the explanation and prediction of the distribution data, and the thermodynamic extraction constant is determined as log Ket = 5.16 ± 0.11 at 20°C.

AB - The extraction of zinc from chloride solutions with tri‐n‐octylphosphine oxide (TOPO) dissolved in benzene has been thermodynamically studied based on the law of mass action. A model employing the simplified Pitzer equations for stoichiometric activity coefficient estimations is found to be effective for the explanation and prediction of the distribution data, and the thermodynamic extraction constant is determined as log Ket = 5.16 ± 0.11 at 20°C.

KW - modelling extraction equilibrium

KW - tri‐n‐octylphosphine oxide

KW - zinc chloride

UR - https://www.scopus.com/pages/publications/0026589873

U2 - 10.1002/jctb.280540113

DO - 10.1002/jctb.280540113

M3 - 文章

AN - SCOPUS:0026589873

SN - 0268-2575

VL - 54

SP - 75

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JO - Journal of Chemical Technology and Biotechnology

JF - Journal of Chemical Technology and Biotechnology

IS - 1

ER -

Modelling of the extraction equilibrium of zinc from chloride solutions with tri‐n‐octylphosphine oxide

Abstract

Keywords

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