The effect of non-selective oxidation on the Mn2Co1Ox catalysts for NH3-SCR: Positive and non-positive

Wenjuan Zhu,Xiaolong Tang,Fengyu Gao,Honghong Yi,Runcao Zhang,Jiangen Wang,Chen Yang,Shuquan Ni

Chemical Engineering Journal（2020）

引用 59|浏览5

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摘要

•SCR effectively active site and non-selective oxidation site are coexisting on Mn-Co catalysts.•Co3O4 acted as non-selective site has positive influences for the “fast SCR” and activation of NH3.•Co3O4 phase also has negative influences, which can add N2O and NO2 by O2 oxidation.•Both oxidation of NH3 by O2 and the redox reaction of NH3 with NOx can produce N2O.

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关键词

Mn2Co1Ox,NH3-SCR,Non-selective oxidation,Co3O4,N2O reaction mechanism

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