Comparison of uranium solvent extraction strip options

CIM Journal, Vol. 4, No. 4, 2013
D. van Tonder AMEC Mining & Metals Perth, Western Australia C. Edwards AMEC Americas Ltd. Saskatoon, Saskatchewan, Canada
Abstract Solvent extraction is used in many acid leach uranium circuits to upgrade and purify the uranium-bearing solution prior to final product precipitation. A number of strip options are available to recover the uranium from the loaded organic. This paper compares seven of these options on the basis of typical capital and operating costs for the solvent extraction circuit and downstream uranium processing and also considers other related issues. The aim is to provide an objective comparative assessment of these options that could be used as a qualitative guide in process selection or improvement.
Keywords: Uranium, Solvent extraction (SX), Solvent extraction stripping, Uranium product precipitation, Nanofiltration (NF)
Résumé L’extraction par solvants est utilisée dans de nombreux circuits de lixiviation acide de l’uranium pour rehausser la teneur et purifier la solution uranifère avant la précipitation du produit final. Il existe plusieurs options pour retirer l’uranium du mélange organique. Le présent article compare entre elles sept de ces options en se basant sur les coûts typiques en immobilisations et d’exploitation pour le circuit d’extraction par solvants et le traitement subséquent de l’uranium; d’autres sujets connexes sont aussi abordés. Le but est de fournir une évaluation comparative et objective de ces options qui pourraient servir de guide qualificatif dans le choix ou l’amélioration d’un procédé.
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Publication: CIM Journal
Issue: 4
Volume: 4
Year: 2013
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Publication: CIM Journal
Author(s): A. R. Sorta, D. C. Sego, and G.W. Wilson
University of Alberta, Department of Civil & Environmental Engineering
Markin/CNRL Natural Resources Engineering Facility
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Issue: 4
Volume: 4
Year: 2013
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Author(s): K. Lascelles
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B. R. Conard
BRConard Consulting, Inc.
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Issue: 4
Volume: 4
Year: 2013
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Publication: CIM Journal
Author(s): B. J. Wilde and C. V. Deutsch
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Issue: 4
Volume: 4
Year: 2013
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Publication: CIM Journal
Author(s): B. R. Conard</br>
BRConard Consulting, Inc, Oakville, ON</br>
Issue: 4
Volume: 4
Year: 2013
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