Performance-defining factors of (MnOx)-M2WO4/SiO2 (M = Na, K, Rb, or Cs) catalysts in oxidative coupling of methane

Anna Zanina,Vita A. Kondratenko,Henrik Lund,Jianshu Li,Juan Chen,Yuming Li,Guiyuan Jiang,Evgenii V. Kondratenko

Journal of Catalysis（2023）

引用 2|浏览10

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摘要

•Alkali metal in MnOx-M2WO4/SiO2 affects activity under anaerobic conditions.•Lattice oxygen of MnOx-M2WO4/SiO2 can convert CH4 to hydrocarbons.•OCM over MnOx-M2WO4/SiO2 and M2WO4/SiO2 proceeds via adsorbed oxygen species.•Presence of MnOx does not create more active sites but changes their reactivity.

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关键词

Oxidative coupling of methane,In situ characterization,Alkali metals,Oxygen species,Active sites,Transient experiments

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