Behavior of Actinide Ions During Sludge Washing of Alkaline Radioactive Wastes


It is difficult to accurately predict actinide behavior during the alkaline leaching of Hanford’s radioactive sludges due to the diverse chemical and radiolytic conditions existing in these wastes. The results of Pu dissolution during experimental washing of sludge simulants from the BiPO4, Redox, and PUREX processes shows that ≤2.1% Pu is dissolved during contact with alkaline media, but up to 65.5% Pu may be dissolved in acidic media. The dissolution of Cr, Fe, Nd, and Mn has also been observed, and the results of solid state, radioanalytical, and spectroscopic investigations are detailed.

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  1. 1.

    F. Weigel, J. J. Katz, and G. T. Seaborg, in The Chemistry of the Actinide Elements, Second Edition, edited by J. J. Katz, G. T. Seaborg, and L. R. Morss Chapman and Hall, London, 1986), p. 499.

  2. 2.

    C. Musikas and W. W. Schulz, in Principles and Practices of Solvent Extraction, edited by J. Rydberg, C. Musikas, and G. R. Choppin Marcel Dekker, New York, 1992), p. 413.

  3. 3.

    G. J. Lumetta, B. M. Rapko, J. Liu, and D. J. Temer, in Science and Technology for Disposal of Radioactive Tank Wastes, edited by W. W. Schulz and N. J. Lombardo Plenum, New York, 1998), p. 203.

  4. 4.

    G. R. Choppin, A. H. Bond, and P. M. Hromadka, J. Radioanal. Nucl. Chem. 219, 203 (1997).

    CAS  Article  Google Scholar 

  5. 5.

    A. H. Bond, K. L. Nash, A. V. Gelis, J. C. Sullivan, M. P. Jensen, and L. Rao, Sep. Sci. Technol. submitted (1999).

    Google Scholar 

  6. 6.

    M. J. Kupfer, Preparation of Nonradioactive Substitutes for Radioactive Wastes, Rockwell Hanford Operations, Report DOE/ET/41900-8, 1981.

    Google Scholar 

  7. 7.

    J. L. Krumhansl, P. V. Brady, P. C. Zhang, S. Arthur, and J. Liu, in Book of Abstracts, 218th A CS National Meeting (American Chemical Society, Washington, DC, 1999), p. NUCL 55.

    Google Scholar 

  8. 8.

    W. W. Schulz, M. M. Beary, S. A. Gallagher, B. A. Higley, R. G. Johnston, F. M. Jungfleisch, M. J. Kupfer, R. A. Palmer, R. A. Watrous, and G. A. Wolf, Preliminary Evaluation of Alternative Forms for Immobilization of Hanford High-Level Defense Wastes, Rockwell Hanford Operations, Report RHO-ST-32, 1980.

    Google Scholar 

  9. 9.

    E. P. Horwitz, H. Diamond, R. C. Gatrone, K. L. Nash, and P. G. Rickert, Process Metall. 7A, 357 (1992).

    CAS  Google Scholar 

  10. 10.

    C. H. Delegard, N. N. Krot, V. P. Shilov, A. M. Fedoseev, N. A. Budantseva, M. V. Nikonov, A. B. Yusov, A. Y. Garnov, I. A. Charushnikova, V. P. Perminov, L. N. Astafurova, T. S. Lapitskaya, and V. I. Makarenkov, Development of Methods for Dissolving Some Cr(III) Compounds Present in Hanford Site Tank Sludges, Pacific Northwest National Laboratory, 1999.

    Google Scholar 

  11. 11.

    M. P. Jensen, unpublished results, Argonne National Laboratory, 1999.

    Google Scholar 

  12. 12.

    IUPAC, in Tables of Spectrophotometric Absorption Data of Compounds Used for the Colorimetric Determination of Elements (Butterworths, London, 1963), p. 320.

    Google Scholar 

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Bond, A.H., Nash, K.L., Gelis, A.V. et al. Behavior of Actinide Ions During Sludge Washing of Alkaline Radioactive Wastes. MRS Online Proceedings Library 608, 595 (1999).

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