Metallurgical Transactions B

, Volume 13, Issue 4, pp 555–564 | Cite as

Solution chemistry of tungsten leaching systems

  • K. Osseo-Asare
Hydrometallurgy

Abstract

The dependence of tungsten leaching and solution purification processes on solution composition is treated in terms of aqueous phase diagrams (such as Eh-pH, log Metal−pH, log Anion−pH) generated with the DIAGRAM computer program. The systems considered are W-H2O, Me-W-H2O, Me-W-CO3-H2O, Mo-H2O, Me-Mo-H2O (Me=Ca, Mn, Fe); S-H2O, W-S-H2O, and Mo-S-H2O. These diagrams are examined in the context of selective dissolution of tungsten from scheelite and wolframite.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    M. Pourbaix:Atlas of Electrochemical Equilibria in Aqueous Solutions 1st ed., Pergamon, London, 1966.Google Scholar
  2. 2.
    R. M. Garrels and C. L. Christ:Solutions, Materials, and Equilibria, Harper and Row, New York, NY, 1965.Google Scholar
  3. 3.
    E. Peters,Metall. Trans. B, 1976, vol. 7B, pp. 505–17.Google Scholar
  4. 4.
    E. Peters:International Symposium on Hydrometallurgy, D. J. I. Evans and R. S. Shoemaker, eds., AIME, New York, NY, 1973, pp. 205–28.Google Scholar
  5. 5.
    R. G. Robins:The Application of Potential-pH Diagrams to the Prediction of Reactions in Pressure Hydrothermal Processes, Warren Spring Laboratory, L R 90 (MSF), Stevenage, United Kingdom, 1968.Google Scholar
  6. 6.
    G. D. Manning:Pressure Hydrolysis—A Survey, Warren Spring Laboratory, L R 134 (ME), Stevenage, United Kingdom, 1970.Google Scholar
  7. 7.
    R. C. H. Ferreira:Leaching and Reduction in Hydrometallurgy, A. R. Burkin, ed., Instn. Min. Metal., London, 1975, pp. 67–83.Google Scholar
  8. 8.
    D. D. Macdonald and R. W. Bartlett:J. Metals, December 1979, vol. 31, p. 127.Google Scholar
  9. 9.
    K. Osseo-Asare and D. W. Fuerstenau:Fundamental Aspects of Hydrometallurgical Processing, T. W. Chapman,et al, eds., AIChE Symposium Series, 1978, vol. 74, no. 173, pp. 1–13.Google Scholar
  10. 10.
    K. Osseo-Asare:Hydrometallurgical Recovery of Metals from Ores, Concentrates, and Secondary Sources, M. C. Kuhn, ed., SME-AIME, New York, NY, 1981, pp. 360–69.Google Scholar
  11. 11.
    K. Osseo-Asare:Trans. IMM (London), 1981, vol. 90, pp. C152-C158.Google Scholar
  12. 12.
    K. Osseo-Asare:Trans. IMM (London), 1981, vol. 90, pp. C159-C163.Google Scholar
  13. 13.
    K. Osseo-Asare and S. W. Asihene:International Laterite Symposium, D. J. I. Evans, R. S. Shoemaker, and H. Veltman, eds., TMS-AIME, Warrendale, PA, 1979, pp. 585–609.Google Scholar
  14. 14.
    J.T. Dyke, Q. Fernando, and H. Zeitlin:Hydrometallurgy, 1980, vol. 6, pp. 49–62.CrossRefGoogle Scholar
  15. 15.
    P. A. Brook:Corros. Sci., 1971, vol. 11, pp. 389–96.CrossRefGoogle Scholar
  16. 16.
    P. Duby:High Temperature High Pressure Electrochemistry in Aqueous Solutions, R. W. Staehle, D. de G. Jones, and J. E. Slater, eds., National Association of Corrosion Engineers, Houston, TX, 1976, pp. 353–64.Google Scholar
  17. 17.
    B. G. Williams and W. H. Patrick:J. Chem. Educ., 1977, vol. 54, p. 107.CrossRefGoogle Scholar
  18. 18.
    M. H. Froning, M. E. Shanley and E. D. Verink, Jr.,Corros. Sci., 1976, vol. 16, pp. 371–77.CrossRefGoogle Scholar
  19. 19.
    K. Osseo-Asare and T. H. Brown:Hydrometallurgy, 1979, vol. 4, pp. 217–32.CrossRefGoogle Scholar
  20. 20.
    P. B. Linkson, B. D. Phillips, and C. D. Rowles:Minerals Sci. Engng., 1979, vol. 11, no. 2, pp. 65–79.Google Scholar
  21. 21.
    T. K. Kim, R. W. Mooney, and V. Chiola:Separ. Sci., 1968, vol. 3, pp. 467–78.CrossRefGoogle Scholar
  22. 22.
    C. F. Baes, Jr. and R. E. Mesmer:The Hydrolysis of Cations, Wiley, New York, NY, 1976.Google Scholar
  23. 23.
    G. B. Naumov, B. N. Ryzhenko and I. L. Khodakovsky:Handbook of Thermodynamic Data, Atomizdat, Moscow, 1971. (Translated from the Russian by the U.S. Geological Survey, NTIS PB-226 722, 1974.)Google Scholar
  24. 24.
    A. E. Martell and R. M. Smith:Critical Stability Constants, Plenum, New York, NY, 1977, vol. 4.Google Scholar
  25. 25.
    W. M. Latimer:The Oxidation States of the Elements and Their Potentials in Aqueous Solutions 2nd ed., Prentice-Hall, Englewood Cliffs, NJ, 1952.Google Scholar
  26. 26.
    S. W. H. Yih and C. T. Wang:Tungsten Sources, Metallurgy, Properties and Applications, Plenum, New York, NY, 1979, pp. 79–128.Google Scholar
  27. 27.
    C. J. Smithells:Tungsten, 3rd ed., Chapman Hall, London, 1952, pp. 1–47.Google Scholar
  28. 28.
    A. N. Zelikman, G. E. Krein, and G. V. Samsonov:Metallurgy of Rare Metals, translated by A. Aladjem, Israel Program for Scientific Translations, 1966.Google Scholar
  29. 29.
    N. N. Maslenitsky and P. M. Perlov:Proceed. 5th Int. Min. Process. Congr., Institution of Mining and Metallurgy, London, 1960, pp. 839–54.Google Scholar
  30. 30.
    L. G. Sillen and A. E. Martell:Stability Constants of Metal-Ion Complexes, Special Publication No. 17, No. 25, The Chemical Society, London, 1964, 1971.Google Scholar
  31. 31.
    P. B. Queneau and S. R. B. Cooke:Trans. TMS-AIME, 1969, vol. 245, pp. 2451–59.Google Scholar
  32. 32.
    O. P. Bricker:Am. Mineral., 1965, vol. 50, pp. 1296–354.Google Scholar

Copyright information

© American society for metals and the metallurgical society of Aime 1982

Authors and Affiliations

  • K. Osseo-Asare
    • 1
  1. 1.Department of Materials Science and EngineeringThe Pennsylvania State UniversityUniversity Park

Personalised recommendations