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Petroleum Chemistry

, Volume 48, Issue 3, pp 201–205 | Cite as

Catalytic activity in hydrocarbon conversion of pentasil containing platinum, nickel, iron, or zinc nanoparticles

  • L. M. VelichkinaEmail author
  • A. N. Pestryakov
  • A. V. Vosmerikov
  • I. V. Tuzovskaya
  • N. E. Bogdanchikova
  • M. Avalos
  • M. Farias
  • H. Tiznado
Article

Abstract

Catalyst samples containing nanosized Pt, Ni, Fe, or Zn powder were prepared on the basis of high-silica zeolite ZSM-5 by mechanical mixing. The structure and state of active centers of zeolite catalysts (freshly prepared or calcined after the reaction cycle of upgrading the petroleum straight-run gasoline fraction) were studied by means of the X-ray diffraction, UV spectroscopy, and X-ray photoelectron spectroscopy techniques. It was shown that the oxidized forms of the metals are practically absent from the freshly prepared zeolite samples. After the heat treatment of the catalysts in air, nanosized metal powders transform into oxides on the zeolite surface, with iron and nickel producing the greatest variety of oxidized forms.

Keywords

Zeolite Petroleum Chemistry Zeolite Catalyst Zeolite Sample Gasoline Fraction 
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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Copyright information

© Pleiades Publishing, Ltd. 2008

Authors and Affiliations

  • L. M. Velichkina
    • 1
    • 2
    Email author
  • A. N. Pestryakov
    • 2
  • A. V. Vosmerikov
    • 1
  • I. V. Tuzovskaya
    • 3
  • N. E. Bogdanchikova
    • 3
  • M. Avalos
    • 3
  • M. Farias
    • 3
  • H. Tiznado
    • 3
  1. 1.Institute of Petroleum Chemistry, Siberian BranchRussian Academy of SciencesTomskRussia
  2. 2.Tomsk Polytechnic UniversityTomskRussia
  3. 3.Research Center of Condensed MatterNational University of MexicoEnsenadaMexico

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