Physicochemical and catalytic properties of glass crystal catalysts for the oxidation of methane

Тип публикации: статья из журнала (материалы конференций, опубликованные в журналах)

Конференция: International Zamaraev Conference on Physical Methods for Catalytic Research at the Molecular Level; NOVOSIBIRSK, RUSSIA; NOVOSIBIRSK, RUSSIA

Год издания: 2000

Идентификатор DOI: 10.1016/S1381-1169(00)00067-4

Ключевые слова: microsphere; cenosphere; methane; deep oxidation; oxidative coupling

Аннотация: Magnetic microspheres and cenospheres recovered from fuel ashes were studied by SEM, XRD, electron probe microanalysis, chemical analysis and Mossbauer spectroscopy. The magnetic microspheres were shown to consist of a crystal phase based on a solid solution of Fe3O4-Mg, Mn, Ca-ferrite, alpha-Fe2O3 and a glass phase composed of calcium ferrite, fayalite, wollastonite, ferrous olivines and mullite. The morphology of globules and size of crystallites of active phase were established to depend on the basicity of the glass phase. It was shown that catalytic activity of magnetic microspheres and cenospheres in oxidative conversion of methane is determined by component containing iron and depends on its accessibility and distribution on the surface. (C) 2000 Elsevier Science B.V. All rights reserved.

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Издание

Журнал: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Выпуск журнала: Vol. 158, Is. 1

Номера страниц: 209-214

ISSN журнала: 13811169

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

Авторы

  • Anshits A.G. (Institute of Chemistry and Chemical Technology)
  • Kondratenko E.V. (Institute of Chemistry and Chemical Technology)
  • Fomenko E.V. (Krasnoyarsk State Technical University)
  • Kovalev A.M. (Institute of Chemistry and Chemical Technology)
  • Bajukov O.A. (Institute of Physics)
  • Anshits N.N. (Institute of Chemistry and Chemical Technology)
  • Sokol E.V. (Institute of Geology,Geophysics and Mineralogy)
  • Kochubey D.I. (Boreskov Institute of Catalysis)
  • Boronin A.I. (Boreskov Institute of Catalysis)
  • Salanov A.N. (Boreskov Institute of Catalysis)
  • Koshcheev S.V. (Boreskov Institute of Catalysis)

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