The study of composition of novel high temperature catalysts for oxidative conversion of methane

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

Конференция: NATO Advanced Research Workshop, the 3rd Workshop on C(1)-C(3) Hydrocarbon Conversion; KRASNOYARSK, RUSSIA; KRASNOYARSK, RUSSIA

Год издания: 1998

Идентификатор DOI: 10.1016/S0920-5861(98)00092-3

Ключевые слова: Deep oxidation, Methane, Microspheres, Oxidative coupling, Oxygen defects, Spinel structure

Аннотация: The products of lignite and coal combustion were tested as the catalysts in two reactions of the oxidative conversion of methane: deep oxidation and oxidative coupling of methane (OCM). It has been observed that these products may display a good performance in either deep oxidation and OCM depending on reaction conditions - temperature and oxygen partial pressure. The detailed study of the composition of products obtained was carried out. It was established that the products are the glass-crystal microspheres with the content of crystal phase of 86-90 wt% and glass phase of 10-14%. The crystal phase consists of the complex solid solution with spinel structure based on magnetite (FeFe2O4) with Mg and Mn spinels (MgFe2O4, MnFe2O4) and small concentration of hematite Fe2O3. The basis of glass phase is calcium aluminosilicates. The active components which are responsible for the reaction proceeding over both routes are considered, (C) 1998 Elsevier Science B.V. AU rights reserved.

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Издание

Журнал: CATALYSIS TODAY

Выпуск журнала: Vol. 42, Is. 3

Номера страниц: 197-203

ISSN журнала: 09205861

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

Авторы

  • Anshits A.G. (Inst. of Chem. of Nat. Organ. Mat.)
  • Voskresenskaya E.N. (Inst. of Chem. of Nat. Organ. Mat.)
  • Kondratenko E.V. (Inst. of Chem. of Nat. Organ. Mat.)
  • Fomenko E.V. (Krasnoyarsk Stt. Tech. University)
  • Sokol E.V. (Inst. Geol., Geophys. and Mineral.)

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