A TRUEX-Based separation of Americium from the lanthanides

Solvent Extraction and Ion Exchange

Volumn 29, Issue 2, 2011, Pages 247-259

  Mincher, Bruce J ^a   Schmitt, Nicholas C ^a   Case, Mary E ^b  

^a IDAHO NATIONAL LABORATORY   (United States)

^b UNIVERSITY OF IDAHO   (United States)

Author keywords

Actinide extraction; Americium; Americium oxidation; Sodium bismuthate; TRUEX

Indexed keywords

ACIDIC MEDIA; ACTINIDE EXTRACTION; DIRECT OXIDATION; LANTHANIDES; NITRIC ACID CONCENTRATION; OXIDIZING AGENTS; RAFFINATES; SEPARATION FACTORS; TRUEX;

BISMUTH COMPOUNDS; CERIUM; NITRIC ACID; OXIDANTS; OXIDATION; SOLVENT EXTRACTION;

AMERICIUM;

EID: 79953705971     PISSN: 07366299     EISSN: 15322262     Source Type: Journal    
DOI: 10.1080/07366299.2011.539146     Document Type: Article

References (21)

1. Nash, K.L. Aqueous complexes in separations of f-elements: options and strategies for future development. Sep. Sci. Technol. 1999, 34, 911-929.
2. Donnet, L.; Adnet, J.M.; Faure, N.; Bros, P.; Brossard, Ph.; Josso, F. Development of the SESAME Process, pp 161-168. In Proceedings 5th OECD/NEA Information Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation, Mol, Belgium, 25-27 Nov., 1998.
3. Nilsson, M.; Nash, K.L. Review article: A review of the development and operational characteristics of the TALSPEAK process. Solvent Extr. Ion Exch. 2007, 25, 665-701.
4. Martin, L.R.; Mezyk, S.P.; Mincher, B.J. Determination of Arrhenius and thermodynamic parameters for the aqueous reaction of the hydroxyl radical with lactic acid. J. Phys. Chem. 2009, 113, 141-5.
5. Hill, C.; Guillaneux, D.; Berthon, L. SANEX-BTP process development studies. Proceedings of the International Solvent Extraction Conference, ISEC 2002, pp 1205-1209.
6. Retegan, T.; Ekberg, C.; Englund, S.; Fermvik, A.; Foreman, M.R.S.; Skarnemark, G. The behaviour of organic solvents containing C5-BTBP and CyMe4-BTBP at low irradiation doses. Radiochim. Acta 2007, 95, 637-642.
7. Magnusson, D.; Christiansen, B.; Malmbeck, R.; Glatz, J.-P. Investigation of radiolytic stability of a CyMe4-BTBP based SANEX solvent. Radiochim. Acta 2009, 97, 497-502.
8. Hudson, M.J.; Boucher, C.E.; Braekers, D.; Desreux, J.F.; Drew, M.G.B.; Foreman, M.R.St J.; Harwood, L.M.; Hill, C.; Madic, C.; Marken, F.; Youngs, T.G.A. New bis(triazinyl)pyridines for selective extraction of americium(III). New J. Chem. 2006, 30, 1171-1183.
9. Horwitz, E.P.; Kalina, D.G.; Diamond, H.; Vandegrift, G.F.; Schulz, W.W. The TRUEX process- a process for the extraction of the transuranic elements from nitric acid wastes utilizing modified Purex solvent. Solvent Extr. Ion Exch. 1985, 3, 75-109.
10. Mincher, B.J. The separation of neptunium and plutonium from nitric acid using n-octyl(phenyl)-N,N-diisobutylcarbamoylmethylphosphine oxide extraction and selective stripping. Solvent Extr. Ion Exch. 1989, 7, 645-654.
11. Mincher, B.J.; Martin, L.R.; Schmitt, N.C. Tributylphosphate extraction behavior of bismuthate-oxidized americium. Inorg. Chem. 2008, 47, 6984-6989.
12. Hall, G.R.; Markin, T.L. The self-reduction of americium (V) and (VI) and the disproportionation of americium (V) in aqueous solution. J. Inorg. Nucl. Chem. 1957, 4, 296-303.
13. -1.
14. Zaitsev, A.A.; Kosyakov, V.N.; Rykov, A.G.; Sobolov, Yu. P.; Yakolev, G.N. Radiolytic reduction of Am(VI) and Am(V). Sov. At. En. 1960, 7, 562-569.
15. Asprey, L.B.; Stephanou, S.E. The autoreduction of Am(VI) and Am(V) in dilute acid. AECU-924, 1950.
16. Cotton, F.A.; Wilkinson, G. Advanced Inorganic Chemistry, 4th Ed.; John Wiley and Sons: New York, 1980.
17. Baker, J.D.; Mincher, B.J.; Meikrantz, D.H.; Berreth, J.R. Partitioning studies to separate actinides fromICPPHLW. Solvent Extr. Ion Exch. 1988, 6, 1049-1065.
18. Dean, J.A. Lange's Handbook of Chemistry, 13th ed., McGraw Hill, New York, 1985.
19. Lumetta, G.J.; Wagner, M.J.; Colton, N.G.; Jones, E.O. Underground storage tank integrated demonstration. Evaluation of pretreatment options for Hanford tank wastes. Report PNNL 8537, 1993.
20. Ford-Smith, M.H.; Habeeb, J.J. Kinetics of oxidation-reduction reactions between elements of groups V and VII. Part 1. Bismuth (V) with halide ions and other reductants. J. Chem. Soc. Dalton 1973, 461-464.
21. Mincher, B.J.; Mezyk, S.P.; Bauer, W.F.; Elias, G.; Riddle, C.; Peterman, D.R. FPEX γ -radiolysis in the presence of nitric acid. Solvent Extr. Ion Exch. 2007, 25, 593-601.