Reduction of plutonium(VI) in brine under subsurface conditions

Radiochimica Acta

Volumn 94, Issue 9-11, 2006, Pages 591-597

  Reed, D T ^a   Lucchini, J F ^a   Aase, S B ^b   Kropf, A J ^a  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

^b ARGONNE NATIONAL LABORATORY   (United States)

Author keywords

Brine chemistry; Iron reduction; Plutonium; WIPP; XANES

Indexed keywords

EID: 33845338802     PISSN: 00338230     EISSN: None     Source Type: Journal    
DOI: 10.1524/ract.2006.94.9-11.591     Document Type: Conference Paper

References (18)

1. Runde, W.: The chemical interactions of actinides in the environment. Los Alamos Sci. 26, 330 (1994).
2. Nitsche, H., Roberts, K., Xi, R., Prussin, T., Becraft, K., Al Mahamid, I., Silber, H. B., Carpenter, S. A., Gatti, R. C., Novak, C. F.: Long term plutonium solubility and speciation studies in a synthetic brine. Radiochim. Acta 66/67, 3 (1994).
3. Duff, M. C., Hunter, D. B., Triay, I. R., Bertsch, P. M., Reed, D. T., Sutton, S. R., Shea-McCarthy, G., Kitten, J., Eng, P., Chipera, S. J., Vaniman, D. T.: Mineral associations and average oxidation states of sorbed Pu on tuff. Environ. Sci. Technol. 33, 2163 (1999).
4. Villarreal, R., Bergquist, J. M., Leonard, S. L.: The actinide Source-Term Waste Test Program (STTP): Final Report, 3 volumes: LA-UR-01-6822, LA-UR-01-6912 and LA-UR-01-6913 (2001).
5. Pashalidis, I., Kim, J. I., Lierse, Ch., Sullivan, J.: The chemistry of Pu in concentrated aqueous NaCl solution: Effects of alpha self-radiolysis and the interaction between hypochlorite and dioxoplutonium(VI). Radiochim. Acta 60, 99 (1993).
6. Reed, D. T., Aase, S. B., Wygmans, D., Banaszak, J. E.: The reduction of Np(VI) and Pu(VI) by organic chelating agents. Radiochim. Acta 82, 109 (1998).
7. Zeh, P., Kim, J. I., Marquardt, C. M., Artinger, R.: The reduction of Np(V) in groundwater rrich in humic substances. Radiochim. Acta 87, 23 (1999).
8. Banaszak, J. E., Reed, D. T., Rittmann, B. E.: Subsurface interactions of actinide species and microorganisms: Implications for the bioremediation of actinide-organic mixtures. J. Radioanal. Nucl. Chem. 241, 385 (1999).
9. Rittmann, B. E., Banaszak, J. E., Reed, D. T.: Reduction of Np(V) and precipitation of Np(VI) by an anaerobic microbial consortium. Biodegradation 13(5), 329 (2002).
10. U.S. DOE.: Title 40 CFR Part 191 Compliance Certification Application for the Waste Isolation Pilot Plant, Carlsbad, NM. U.S. Department of Energy Carlsbad Area office, Vol. 1-21 (1996).
11. U.S. DOE.: Title 40 CFR Part 191 Compliance Recertification Application for the Waste Isolation Pilot Plant, DOE/WIPP 2004-3231, Carlsbad, NM: U.S. Department of Energy Carlsbad Field Office, Vol. 1-8 (2004).
12. Reed, D. T., Aase, S. B., Kropf, A. J., Conca, J.: Reduction of plutonium(VI) species in brine. In plutonium futures - The science conference transactions. (Jarvinen, G. D., ed.) Am. Inst. Phys. 372 (2003).
13. Farrell J., Bostick, W. D., Jarabeck, R. J., Fiedor, J. N.: Uranium removal from ground water using zero valent iron media. Ground Water 37(4), 618 (1999).
14. Xia, Y., Rao, L., Rai, D., Felmy, A. R.: Determining the distribution of Pu, Np and U oxidation states in dilute NaCl and synthetic brine solutions. J. Radioanal. Nucl. Chem. 250, 27 (2001).
15. Reed, D. T., Okajima, S.: Stability and speciation of plutonium(VI) in WIPP brine. Radiochim. Acta 66/67, 95 (1994).
16. +. Radiochim. Acta 89, 491 (2001).
17. Felmy, A. R., Rai, D., Schramke, J. A., Ryay J. L.: The solubility of plutonium hydroxide in dilute solution and in high-ionic strength chloride brines. Radiochim. Acta 48, 29 (1989).
18. Lu, N., Conca, J.: Plutonium-239 in synthetic brines after equilibrartion with magnesium oxide backfill. In plutonium futures - the science conference transactions. (Jarvinen, G. D., ed.) Am. Inst. Phys. 673, 302 (2003).