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

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 language	English
Pages (from-to)	201-205
Number of pages	5
Journal	Petroleum Chemistry
Volume	48
Issue number	3
DOIs	https://doi.org/10.1134/S0965544108030055
Publication status	Published - 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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10.1134/S0965544108030055

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Catalytic activity in hydrocarbon conversion of pentasil containing platinum, nickel, iron, or zinc nanoparticles. / Velichkina, L. M.; Pestryakov, A. N.; Vosmerikov, A. V.; Tuzovskaya, I. V.; Bogdanchikova, N. E.; Avalos, M.; Farias, M.; Tiznado, H.

In: Petroleum Chemistry, Vol. 48, No. 3, 05.2008, p. 201-205.

Research output: Contribution to journal › Article › peer-review

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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.",

author = "Velichkina, {L. M.} and Pestryakov, {A. N.} and Vosmerikov, {A. V.} and Tuzovskaya, {I. V.} and Bogdanchikova, {N. E.} and M. Avalos and M. Farias and H. Tiznado",

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AU - Velichkina, L. M.

AU - Pestryakov, A. N.

AU - Vosmerikov, A. V.

AU - Tuzovskaya, I. V.

AU - Bogdanchikova, N. E.

AU - Avalos, M.

AU - Farias, M.

AU - Tiznado, H.

PY - 2008/5

Y1 - 2008/5

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AB - 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.

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

Abstract

ASJC Scopus subject areas

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