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Research on Chemical Intermediates

, Volume 23, Issue 2, pp 169–178 | Cite as

Effect of preparation and pretreatment conditions on the nature and activity of alumina-yttria

  • J. Jayasree
  • C. S. Narayanan
Article

Abstract

Seven kinds of Al2O3−Y2O3 binary oxides were prepared from the corresponding nitrites under different conditions. Surface characteristics, thermal properties, acidity and basicity of the catalysts were determined by XRD, SEM, TGA, DTA and titrimetric methods. The catalytic activity was checked in the isomerization of (+)-limonene oxide. The difference in the activities of the catalysts are attributed to the changes in the acidic and basic properties of the catalysts obtained by different preparation methods.

Keywords

Calcination Temperature Basic Site Lewis Acid Site Pretreatment Condition Strong Acid Site 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    K. Tanabe, C. Ishiya, I. Matsuzaki, I. Ichikawa and H. Hattori, Bull. Chem. Soc. Japan, 45, 47 (1972).CrossRefGoogle Scholar
  2. 2.
    M. Itoh, H. Hattori and K. Tanabe, J. Catal., 35, 225 (1974).CrossRefGoogle Scholar
  3. 3.
    K. Tanabe, M. Itoh, K. Morishige and H. Hattori, Proc. Int. Symp. Prep. Catal., Brussels, 1975, p. 65.Google Scholar
  4. 4.
    A. Kaya, T. Yamaguchi and K. Tanabe, J. Catal., 83, 99 (1983).CrossRefGoogle Scholar
  5. 5.
    T. Huang, A. White, A. Pole and D.L. Trimm, Chem. Ing. Tech., 56, 455 ). (1964).Google Scholar
  6. 6.
    N.H. Sawger and M.T. Duncan, U.S. Patent, 4016106 (1977).Google Scholar
  7. 7.
    C.L. Thomas, Catalytic Processes and Proven Catalysts, Academic press, New York, 1970.Google Scholar
  8. 8.
    D.L. Trimm, The Design of Industrial Catalysts, Elsevier, Amsterdam, 1980.Google Scholar
  9. 9.
    D.L. Trimm,and Stanislaus, Applied Catalysis, 21, 215 (1986).CrossRefGoogle Scholar
  10. 10.
    A. White, A. Walpole, T. Huang and D.L. Trimm, Applied Catalysis, 56, 187 (1989).CrossRefGoogle Scholar
  11. 11.
    J. Jayasree and C.S. Narayanan, Mat. Res. Bull., 29, 651 (1994).CrossRefGoogle Scholar
  12. 12.
    I.M. Kolthoff and P.J. Elving, Treatise on Analytical Chemistry, Part II. Analytical Chemistry of the Elements, Interscience Publishers, New York, 1966, p. 34.Google Scholar
  13. 13.
    H. Benesi, J. Am. Chem. Sci., 78, 5490 (1956).CrossRefGoogle Scholar
  14. 14.
    H. Benesi, J. Phys. Chem., 61, 970 (1957).CrossRefGoogle Scholar
  15. 15.
    J.I. Take, N. Kikuchi and Y. Yoneda, J. Catal., 21, 164 (1971).CrossRefGoogle Scholar
  16. 16.
    T. Huang, A. White, A. Walpole, and D.L. Trimm, Applied Catalysis, 56, 177 (1989).CrossRefGoogle Scholar
  17. 17.
    K. Tanabe M. Misono, Y. Ono and H. Hattori, Stud. Surf. Sci. Catal., 51 (1989).Google Scholar
  18. 18.
    Cr. Contescu, J. Hu and J.A. Schwarz, Langmuir, 9, 1754 (1993).CrossRefGoogle Scholar
  19. 19.
    Cr. Contescu, A. Contescu and J.A. Schwarz, J. Chem. Soc., Faraday Trans., 89, 4901 (1993).CrossRefGoogle Scholar
  20. 20.
    Cr. Contescu, A. Contescu and J.A. Schwarz, J. Phys. Chem., in press.Google Scholar
  21. 21.
    K. Tanaka, Solid Acids and Bases, Academic Press, New York, 1970, pp. 136.Google Scholar
  22. 22.
    I.C. Nigam and L. Levi, Can. J. Chem., 46, 1944 (1968)CrossRefGoogle Scholar

Copyright information

© Springer 1997

Authors and Affiliations

  • J. Jayasree
    • 1
  • C. S. Narayanan
    • 1
  1. 1.Regional Research LaboratoryKeralaIndia

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