A study of the mechanism of low-temperature SCR of NO with NH3 on MnOx/CeO2

Li Xu,Xiaosong Li,Mark Crocker,Zhaoshun Zhang,Aimin Zhu,Chuan Shi

Journal of Molecular Catalysis A: Chemical（2013）

引用 124|浏览19

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摘要

•MnOx/CeO2 (DP) is a superior low-temperature NH3-SCR catalyst.•The catalytic stability is totally different at 80°C and 120°C.•A [NH3⋯NO−] complex is proved to be the intermediates.•Decomposition of the intermediates is the rate-limiting step.

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关键词

Low temperature,NH3-SCR,MnOx/CeO2,Deposition–precipitation,Mechanism

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