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Reaction Kinetics and Catalysis Letters

, Volume 52, Issue 1, pp 81–86 | Cite as

EXAFS characterization of Dy and Pd-Dy on alumina catalysts

  • D. Macovei
  • V. Pârvulescu
  • C. M. Teodorescu
Article

Abstract

Two Pd-Dy/γ-Al2O3 catalysts, with 1 wt.% Dy and various Pd loadings (0.1 and 0.5 wt.%) have been investigated by EXAFS at the Dy LIII-edge, and compared with 1 % Dy/γ-Al2O3. The Dy-carrier interaction was found to change with the Pd dispersity.

Keywords

Alumina Physical Chemistry Catalysis Alumina Catalyst 
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.
    V. Pârvulescu, V. Pârvulescu, E. Angelescu: accepted by Rev. Roum. Chim.Google Scholar
  2. 2.
    V. Pârvulescu, M. Bîrjega, V. Pârvulescu, D. Macovei, A. Andrei, E. Angelescu, I. V. Nicolescu: Rev. Roum. Chim.,37, 327 (1992).Google Scholar
  3. 3.
    V. Pârvulescu, I. Sandulescu, N. Grecu, Cr. Contescu, I. V. Nicolescu: Rev. Roum. Chim.,33, 3 (1988).Google Scholar
  4. 4.
    R. W. G. Wyckoff: Crystal Structures Vol. 2, p. 2. Interscience 1964.Google Scholar
  5. 5.
    J. A. W. Dalziel, A. J. E. Welch: Acta Cryst.,13, 956 (1960).Google Scholar
  6. 6.
    S. Geller: J. Chem. Phys.,24, 1236 (1956).Google Scholar
  7. 7.
    M. A. Gilleo: Acta Cryst.,10, 161 (1957).Google Scholar
  8. 8.
    H. F. Kay, P. C. Bailey: Acta Cryst.,10, 219 (1957).Google Scholar

Copyright information

© Akadémiai Kiadó 1994

Authors and Affiliations

  • D. Macovei
    • 1
  • V. Pârvulescu
    • 2
  • C. M. Teodorescu
    • 1
  1. 1.Institute of Physics and Technology of MaterialsBucharest-MagureleRomania
  2. 2.Research and Engineering Institute for Nonferrous Metals IndustryBucharestRomania

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