Mechanism of catalytic sites participating in N2O formation over Fe-BEA and Cu-SSZ-13 NH3-SCR catalysts

Miaomiao Jin,Pan Wang,Lidong Zhang,Chengcheng Ao,Lili Lei

THERMAL SCIENCE AND ENGINEERING PROGRESS（2023）

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摘要

•NO2 promoted N2O formation in NH3-SCR reaction.•Pre-absorbed NO2 reacted with NH3 on Lewis acid sites to form N2O.•The HNNO by transfer of H resulted in N2O over Fe-BEA.•The desorption of HNNOOH contributed to N2O formation over Cu-SSZ-13.

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关键词

N2O formation,NO2,DFT calculation,NH3-SCR

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