JOM

, Volume 50, Issue 12, pp 45–47

Characterizing and classifying uranium yellow cakes: A background

  • D. M. Hausen
Historical Insight Energy Resources

Abstract

Uranium concentrates obtained from leach solutions, known as uranium yellow cakes, represent an intermediate step in the processing of uranium ores. Yellow cake concentrates are prepared by various metallurgical methods, depending on the types of ores. Samples of yellow cakes prepared under various methods were analyzed; examined in detail by means of x-ray diffraction, infrared spectra, and wet chemical methods; and classified by mineralogic methods. The cakes were classified as uranyl hydroxide hydrate, basic uranyl sulfate hydrate, sodium para-uranate, and uranyl peroxide hydrate. The experimental preparation methods and characterization methodology used are described, and the significance of structural types to the physical and chemical properties of yellow cake production, as well as the pyrolytic transformations at high temperatures, are discussed.

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References

  1. 1.
    C. Frondel, “Studies of Uranium Minerals—Uranopilite,” Am. Mineral., 37 (1952), pp. 950–969.Google Scholar
  2. 2.
    R.J. Traill, “Synthetic and X-Ray Study of Uranium Sulfate Minerals,” Am. Mineral., 37 (1952), p. 395.Google Scholar
  3. 3.
    A.D. Weeks and M.E. Thompson, ““Identification and Occurrence of Uranium and Vanadium Minerals from the Colorado Plateau,” Geol. Survey Bulletin, 1009B (1954).Google Scholar
  4. 4.
    C.L. Christ and J.R. Clark, “Crystal Chemical Studies of Some Uranyl Oxide Hydrate,” Am. Mineral., 45 (1960), pp. 1026–1061.Google Scholar
  5. 5.
    D.M. Hausen, “A Phase Study of Yellow Cake,” unpublished UCNC company report (1958).Google Scholar
  6. 6.
    D.M. Hausen, “Application of X-Ray Diffraction to Uranium Processing” (Abstr., 5th Uranium Symposium, AIME, Grand Junction, CO, 1960).Google Scholar
  7. 7.
    P.C. Debets and B.O. Loopstra, “On the Uranates of Ammonium II, X-Ray Investigation of the Compounds in the System NH3-UO3-H2O,” J. Inorg. Nucl. Chem., 25 (1963), pp. 945–953.CrossRefGoogle Scholar
  8. 8.
    M.E.A. Hermans and T. Markestein, “Ammonium Uranates and UO3-Hydrates-Ammoniates.” J. Inorg. Nucl. Chem., 25 (1963), pp. 461–462.CrossRefGoogle Scholar
  9. 9.
    A.M. Deane, “The Infrared Spectra and Structures of Some Hydrated Uranium Trioxides and Ammonium Diuranates,” J. Inorg. Chem., 21 (1961), pp. 238–252.Google Scholar
  10. 10.
    C.A. Warnser et al., “The Constituents of the Uranates of Sodium,” J. Am. Chem. Soc., 74 (1952), pp. 1020–1022.CrossRefGoogle Scholar
  11. 11.
    D.M. Hausen, “A Phase Study of Yellow Cake,” supplement No. 2, unpublished UCNC company report (1959).Google Scholar
  12. 12.
    R.F. Leininger, J.P. Hunt, and D.E. Koshland, Jr., “Composition and Thermal Decomposition of Uranyl Peroxide,” Chemistry of Uranium, USAEC, TID-5290, Book 2 (Washington, D.C.: U.S. Atomic Energy Commission, 1958).Google Scholar
  13. 13.
    L.H. Jones, “Determination of U-O Bond Distance in Uranyl Complexes from their Infrared Spectra,” Sectrochimica Acta (6) (1959), pp. 409–411.Google Scholar
  14. 14.
    Kazuo Nakamoto, Infrared Spectra of Inorganic and Coordination Compounds (New York: John Wiley & Sons, Inc., 1963).Google Scholar
  15. 15.
    H.R. Hoekstra and S. Siegel, “The Uranium-Oxygen System: U3O8-UO2,” J. Inorg. Nucl. Chem., 18 (1961), pp. 154–165.CrossRefGoogle Scholar
  16. 16.
    D.M. Hausen, “Characterization and Classification of Uranium Yellow Cakes” (Abstr., 121st TMS Annual Meeting, San Diego, 1–5 March 1992).Google Scholar

Copyright information

© TMS 1998

Authors and Affiliations

  • D. M. Hausen
    • 1
  1. 1.Salt Lake City

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