The influence of O2 on oxidative coupling of methane over oxide catalysts using N2O as oxidant | Научно-инновационный портал СФУ

The influence of O2 on oxidative coupling of methane over oxide catalysts using N2O as oxidant

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

Конференция: European Workshop on Methane Activation; UNIV LIMERICK, LIMERICK, IRELAND; UNIV LIMERICK, LIMERICK, IRELAND

Год издания: 1998

Идентификатор DOI: 10.1016/S0920-5861(98)00343-5

Ключевые слова: O-2; oxidative coupling; methane; oxide catalysts; N2O

Аннотация: The study of the influence of molecular oxygen on N2O decomposition under conditions of oxidative coupling of methane (OCM) and on the simple reaction of N2O decomposition (without methane) was carried out over SrO and Li/Bi2O3. It was found that molecular oxygen caused the decrease in the rate of N2O decomposition over all the catalysts studied under conditions of OCM. However, the overall catalytic activity over Bi-containing catalysts are significantly lower than that for SrO. Poisoning by molecular oxygen was established over Li/Bi2O3 for N2O decomposition without methane. Over SrO molecular oxygen was not shown to inhibit the decomposition of nitrous oxide in the absence of methane. It was established that the defect structure of SrO was changed under catalytic conditions. The participation of structural defects for N2O decomposition and CO2 formation was proposed. (C) 1998 Elsevier Science B.V. All rights reserved.

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Издание

Журнал: CATALYSIS TODAY

Выпуск журнала: Vol. 46, Is. 2-3

Номера страниц: 211-216

ISSN журнала: 09205861

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

Авторы

  • Anshits A.G. (Inst. of Chem. of Nat. Organ. Mat.)
  • Kondratenko E.V. (Inst. of Chem. of Nat. Organ. Mat.)
  • Voskresenskaya E.N. (Inst. of Chem. of Nat. Organ. Mat.)
  • Kurteeva L.I. (Department of Chemistry,Krasnoyarsk Stt. Tech. University)
  • Pavlenko N.I. (Inst. of Chem. of Nat. Organ. Mat.)

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