Summary
The relatively new bifunctional extractant Octyl(Phenyl)NN’Diisobutylcarbamoylmethylphosphineoxi de (CMPO) shows a very strong extracting power for actinides, independently from the valency state, over a wide range of acidities (0.5–6M).
The objective of this work is the definition of a flowsheet for the treatment of the alpha contaminated liquid wastes of the C.R.E. Casaccia by liquid-liquid extraction using CMPO as extractant.
Tests for T.R.U. separation of these liquid wastes were carried out using CMPO extracting system both from solutions simulating their composition and from real wastes. On the basis of the results obtained in batch and continuous countercurrent flowsheet demonstrations carried out with real wastes, using laboratory scale mixer settlers, a pilot plant has been designed and builded.
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Reference
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© 1991 ECSC, EEC, EAEC, Brussels and Luxembourg
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Casarci, M., Gasparini, G.M., Grossi, G., Rossi, M. (1991). Application of the Teseo Process for Actinide Removal from Liquid Alpha Wastes Generated During UO2-PuO2 Fuel Fabrication Campaigns. In: Cecille, M.L., Casarci, M., Pietrelli, L. (eds) New Separation Chemistry Techniques for Radioactive Waste and Other Specific Applications. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3654-9_11
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DOI: https://doi.org/10.1007/978-94-011-3654-9_11
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-656-0
Online ISBN: 978-94-011-3654-9
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