Emission of NH3 and N2O during NO reduction over commercial aged three-way catalyst (TWC): Role of individual reductants in simulated exhausts

Wo Bin Bae,Do Yeong Kim,Sang Woo Byun,Melanie Hazlett,Dal Young Yoon,Changho Jung,Chang Hwan Kim,Sung Bong Kang

Chemical Engineering Journal Advances（2022）

引用 8|浏览3

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摘要

•NH3 and N2O emissions were investigated over commercial TWC.•Emissions were characterized through full and simple mixture feed tests.•NH3 formation is directly affected by NOH2 reaction.•N2O formation is mainly associated with NOCO reaction.•Surface intermediates were identified for NH3 and N2O formations.

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关键词

Ammonia,Nitrous oxide,Three-way catalyst,Feed composition,Emission control

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