Chemical model for the solvent extraction of GdCl3 from a chloride solution with saponified PC88A |
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| Authors: | Man-Seung Lee Jin-Young Lee Joon-Soo Kim |
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| Affiliation: | (1) Dept. of Advanced Materials Science & Engineering, Mokpo National University, 61 Dorim-ri, Cheonggye-myeon, Muan-gun, 534-729 Chonnam, Korea;(2) Division of Minerals Utilization and Materials, Korea Institute of Geoscience and Mineral Resources, 30 Gajeong-dong, Yuseong-gu, 305-350 Daejon, Korea |
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| Abstract: | Solvent extraction experiments of Gd with 40% saponified PC88A have been conducted from a chloride solution under different extraction conditions. The effect of saponification of an acidic extractant on the extraction of Gd was investigated. To analyze the ionic equilibria of a GdCl3 solution, we estimated the necessary thermodynamic properties from reported values. Moreover, when applying the chemical model developed in this study, we used experimental data to estimate the equilibrium constant for the extraction of Gd with partially saponified PC88A. |
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| Keywords: | GdCl3 PC88A solvent extraction saponification |
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