Neptunium(V) partitioning to uranium(VI) oxide and peroxide solids

Environmental Science and Technology

Volumn 39, Issue 11, 2005, Pages 4117-4124

  Douglas, Matthew ^a,b   Clark, Sue B ^a,b   Friese, Judah I ^b   Arey, Bruce W ^b   Buck, Edgar C ^b   Hanson, Brady D ^b  

^a WASHINGTON STATE UNIVERSITY   (United States)

^b PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

GEOLOGICAL REPOSITORIES; OXIDATION; PEROXIDES; POSITIVE IONS; RADIOISOTOPES; SORPTION; SPENT FUELS; URANIUM COMPOUNDS;

CONGRUENT DISSOLUTIONS; METASTUDTITES; NEPTUNIUM(V) PARTITIONING; SPENT NUCLEAR FUEL REPOSITORY;

NEPTUNIUM;

CATION; METASCHOEPITE; METASTUDTITE; NEPTUNIUM; NEPTUNYL CATION; PEROXIDE; UNCLASSIFIED DRUG; URANIUM; URANIUM OXIDE;

NEPTUNIUM; RADIOACTIVE WASTE; URANIUM;

ARTICLE; CATION TRANSPORT; GEOLOGICAL TIME; HALF LIFE TIME; METAL BINDING; MOISTURE; NONHUMAN; NUCLEAR FUEL REPROCESSING; OXIDATION; PARTITIONING; PEROXIDATION; PH MEASUREMENT; SOLUBILITY;

ADSORPTION; CATIONS; HYDROGEN-ION CONCENTRATION; MICROSCOPY, ELECTRON, SCANNING; NEPTUNIUM; OXIDATION-REDUCTION; PEROXIDES; PRECIPITATION; SOIL POLLUTANTS, RADIOACTIVE; SOLUBILITY; TEMPERATURE; TIME FACTORS; URANIUM COMPOUNDS; WATER POLLUTANTS, RADIOACTIVE;

EID: 20044395449     PISSN: 0013936X     EISSN: None     Source Type: Journal    
DOI: 10.1021/es0405169     Document Type: Article

References (41)

1. Buck, E. C.; Brown, N. R.; Dietz, N. L. Contaminant uranium phases and leaching at the Fernald site in Ohio. Environ. Sci. Technol. 1996, 30, 81-88.
2. Ewing, R. C. Radioactivity and the 20th century. In Uranium: Mineralogy, Geochemistry and the Environment; Mineralogical Society of America: Washington, DC, 1999; pp 1-21.
3. Oversby, V. M. Nuclear waste materials. In Material Science and Technology, A Comprehensive Treatment, VCH: Weinheim, Germany, 1994; pp 392-442.
4. Wronkiewicz, D. J.; Buck, E. C. Uranium mineralogy and the geologic disposal of spent nuclear fuel. In Uranium: Mineralogy, Geochemistry and the Environment; Mineralogical Society of America: Washington, DC, 1999; pp 475-497.
5. Finch, R. J.; Ewing, R. C. The corrosion of uraninite under oxidizing conditions. J. Nucl. Mater. 1992, 190, 133-156.
6. 2 at 90° C. J. Nucl. Mater. 1992, 238, 78-95.
7. Finn, P. A.; Finch, R. J.; Buck, E. C.; Bates, J. K. Corrosion mechanisms of spent fuel under oxidizing conditions. Mater. Res. Soc. Symp. Proc. 1998, 506, 123-131.
8. 2 fuel in vapor and dripping groundwater at 90 °C. Mater. Res. Soc. Symp. Proc. 1999, 556, 431-438.
9. Finch, R. J.; Suksi, J.; Rasilainen, K.; Ewing, R. C. The long-term stability of becquerelite. Mater. Res. Soc. Symp. Proc. 1996, 412, 823-830.
10. McNamara, B.; Buck, E. C.; Hanson, B. D. Observation of Studtite and Metastudtite on Spent Fuel. Mater. Res. Soc. Symp. Proc. 2003, 757, 401-406.
11. 2: The first structure of a peroxide mineral. Am. Mineral. 2003, 88, 1165-1168.
12. Hughes Kubatko, K. A.; Helean, K. B.; Navrotsky, A.; Burns, P. C. Stability of peroxide-containing uranyl minerals. Science 2003, 302, 1191-1193.
13. Burns, P. C.; Deely, K. M.; Skanthakumar, S. Neptunium incorporation into uranyl compounds that form as alteration products of spent nuclear fuel: Implications for geologic repository performance. Radiochim. Acta 2004, 151-159.
14. Abrefah, J. A.; Siciliano, E. R. Am. Nucl. Soc. Symp. Proc. 2002, 9, 522-529.
15. 6+ minerals and inorganic phases: A comparison and hierarchy of crystal structures. Can. Mineral. 1996, 34, 845-880.
16. Burns, P. C.; Hawthorne, F. C.; Ewing, R. C. The crystal chemistry of hexavalent uranium: Polyhedral geometries, bond-valence parameters, and polymerization of polyhedra. Can. Mineral. 1997, 35, 1551-1570.
17. + phases formed during the oxidation of spent nuclear fuel. J. Nucl. Mater. 1997, 245, 1-9.
18. Buck, E. C.; Finch, R. J.; Finn, P. A.; Bates, J. K. Retention of neptunium in uranyl alteration phases formed during spent fuel corrosion. Mater. Res. Soc. Symp. Proc. 1998, 506, 83-91.
19. Sowder, A. G.; Clark, S. B.; Fjeld, R. A. The Transformation of Uranyl Oxide Hydrates: The Effect of Dehydration on Synthetic Metaschoepite and Its Alteration to Becquerelite. Environ. Sci. Technol. 1999, 33, 3552-3557.
20. Fortner, J. A.; Finch, R. J.; Kropf, A. J.; Cunnane, J. C. Am. Nucl. Soc. Symp. Proc. 2003, 10, 764-771.
21. Finch, R. J.; Fortner, J. A.; Buck, E. C.; Wolf, S. F. Neptunium incorporation into uranium(VI) compounds formed during aqueous corrosion of neptunium-bearing uranium oxides. Mater. Res. Soc. Symp. Proc. 2002, 713, 647-654.
22. Giammar, D. E.; Hering, J. G. Equilibrium and kinetic aspects of soddyite dissolution and secondary phase precipitation in aqueous suspension. Geochim. Cosmochim. Acta 2002, 66, 3235-3245.
23. Giammar, D. E.; Hering, J. G. Influence of dissolved sodium and cesium on uranyl oxide hydrate solubility. Environ. Sci. Technol. 2004, 38, 171-179.
24. Buck, E. C.; Fortner, J. A. Detecting low levels of transuranics with electron energy loss spectroscopy. Ultramicroscopy 1997, 67, 69-75.
25. Maxwell, S. L., III. Separation and preconcentration chromatography using a supported liquid anion exchanger. Radioact. Radiochem. 1997, 8 (4), 36-44.
26. 2O, a new mineral from Shinkolobwe, Shaba, Zaire. Am. Mineral. 1983, 68, 456-458.
27. Buck, E. C.; McNamara, B. K.; Douglas, M.; Hanson, B. D. Possible Incorporation of Neptunium in Uranyl(VI) Alteration Phases; PNNL14-277; Pacific Northwest National Laboratory: Richland, WA, 2003.
28. 12. Can. Mineral. 1996, 34, 1071-1088.
29. Burns, P. C. The crystal chemistry of uranium. In Uranium: Mineralogy, Geochemistry and the Environment; Mineralogical Society of America: Washington, DC, 1999; pp 23-90.
30. Bean, A. C.; Scott, B. L.; Albrecht-Schmitt, T. E.; Runde, W. Intercalation of KCl into layered neptunyl and plutonyl iodates. J. Solid State Chem. 2004, 177, 1346-1351.
31. Cotton, F. A.; Wilkinson, G. Advanced Inorganic Chemistry, 5th ed.; John Wiley & Sons: New York, 1988.
32. CRC Handbook of Chemistry and Physics, 73rd ed.; CRC Press: Boca Raton, FL, 1992.
33. Zielen, A. J.; Sullivan, J. C.; Cohen, D.; Hindman, J. C. A kinetic study of the reduction of neptunium(VI) by hydrogen peroxide. J. Am. Chem. Soc. 1958, 80, 5632-5635.
34. Tananaev, I. G.; Dzyubenko, V. I. Radiokhimiya 1988, 30, 842-845.
35. Burgener, C. S.; Sullivan, J. C. Oxidation of neptunium(III) by oxygen and hydrogen peroxide. Inorg. Chem. 1970, 9, 2604-2605.
36. Rotmanov, K. V.; Andreichuk, N. N. Radiochemistry 2000, 42, 569-574.
37. Sowder, A. G.; Clark, S. B.; Fjeld, R. A. Solubilities and dissolution reactions - dehydration of synthetic autunite hydrates. Radiochim. Acta 2000, 88, 533-538.
38. Neck, V.; Kim, J. I.; Kanellakopulos, B. Solubility and hydrolysis behavior of Np(V). Radiochim. Acta 1992, 56, 25-30.
39. Stumm, W. Chemistry of the Solid-Water Interface; John Wiley & Sons: New York, 1992.
40. Efurd, D. W.; Runde, W.; Banar, J. C.; Janecky, D. R.; Kaszuba, J. P.; Palmer, P. D.; Roensch, F. R.; Tait, C. D. Neptunium and plutonium solubilities in a Yucca Mountain groundwater. Environ. Sci. Technol. 1998, 32, 3893-3900.
41. Gustafsson, J. P. Visual Minteq, v. 2.22. 2003.