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

L. M. Velichkina, A. N. Pestryakov, A. V. Vosmerikov, I. V. Tuzovskaya, N. E. Bogdanchikova, M. Avalos, M. Farias, H. Tiznado

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13 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)201-205
Number of pages5
JournalPetroleum Chemistry
Volume48
Issue number3
DOIs
Publication statusPublished - May 2008

ASJC Scopus subject areas

  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Chemical Engineering(all)
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Chemistry(all)
  • Geochemistry and Petrology

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    Velichkina, L. M., Pestryakov, A. N., Vosmerikov, A. V., Tuzovskaya, I. V., Bogdanchikova, N. E., Avalos, M., Farias, M., & Tiznado, H. (2008). Catalytic activity in hydrocarbon conversion of pentasil containing platinum, nickel, iron, or zinc nanoparticles. Petroleum Chemistry, 48(3), 201-205. https://doi.org/10.1134/S0965544108030055