Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 26, Issue -, Pages 286-290Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.11.042
Keywords
Praseodymium(III); Cyanex 301 LIX 63; Synergistic solvent extraction; Separation factors
Funding
- Ministry of Knowledge Economy Korea in the fundamental R&D program for core technology
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The synergistic solvent extraction of Pr(III) from chloride solutions has been studied using a mixture of Cyanex 301 and LIX 63. Among the various mixtures of extractants screened, this mixture showed significant synergism at a Cyanex 301 mole fraction of 0.8. The effect of various parameters such as equilibrium pH, extractant concentration was studied to identify the extraction reaction on the basis of slope analysis. From stripping studies, dilute sulfuric acid was found to be the best stripping agent. Based on separation factors, the mixture may be applied for the binary separations of Pr and Nd from La. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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