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Application of the Teseo Process for Actinide Removal from Liquid Alpha Wastes Generated During UO2-PuO2 Fuel Fabrication Campaigns

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New Separation Chemistry Techniques for Radioactive Waste and Other Specific Applications

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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

  1. E.P. HORWITZ et al, Argonne National Laboratory Rep.87/3, 1987

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  2. M. CASARCI, G. GROSSI, Progress Report(1.1.1987–31.7.1987) ENEA-RTI-COMB-MEPIS Rep.(88)2, ENEA, Rome(1988)

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  3. M. CASARCI, G. GROSSI, Progress Report(1.8.1987–1.1.1988) ENEA-RTI-COMB-MEPIS Rep.(88)4, ENEA, Rome (1988)

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  4. M. CASARCI, G. GROSSI, Progress Report(1.1.1989–31.6.1989) in press

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Author information

Authors and Affiliations

  1. ENEA CRE Casaccia, Via Anguillarese, 301-00060, Rome, Italy

    M. Casarci, G. M. Gasparini, G. Grossi & M. Rossi

Authors
  1. M. Casarci
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  2. G. M. Gasparini
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  3. G. Grossi
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  4. M. Rossi
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Editor information

Editors and Affiliations

  1. Commission of the European Communities, Brussels, Belgium

    Messrs L. Cecille

  2. Italian Commission for Nuclear and Alternative Energy Sources (ENEA), Rome, Italy

    M. Casarci  & L. Pietrelli  & 

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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

  • eBook Packages: Springer Book Archive

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