Urea Decomposition and Implication for NOx Reduction with Cu‐Zeolite and Vanadia‐Selective Catalytic Reduction

Understanding urea decomposition is critical to achieve highly efficient selective catalytic reduction (SCR). The urea decomposition process in an exhaust pipe and in Cu‐zeolite and vanadia‐SCR (V‐SCR) was studied in engine test cells. The unconverted urea at the SCR inlet can be substantial at lowe...

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Veröffentlicht in:	Chemical engineering & technology 2020-09, Vol.43 (9), p.1758-1764
Hauptverfasser:	Wu, Yi-Jiang, Wang, Fengshuang, Tang, Weiyong, Kakwani, Ramesh, Hou, Yaling, Feng, Gang
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Chemical reduction Decomposition Engine tests Exhaust pipes HNCO hydrolysis Hydrolysis Kinetics Low temperature Modeling Nitrogen oxides Selective catalytic reduction Urea decomposition Ureas Zeolites
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