Acidic zirconia materials have been tested as catalysts for the Selective Catalytic Reduction of nitrogen oxides (NOx) by ammonia (NH3-SCR). This paper focuses on the promotion of acidic zirconia by ceria. The introduction of ceria increases the NOx conversion, the selectivity to N2 and the durability and makes acidic zirconia materials attractive for Diesel after treatment systems.
Acidic Zirconia Materials for Durable NH3-SCR deNOx Catalysts
Sae Technical Papers
SAE World Congress & Exhibition ; 2008
2008-04-14
Conference paper
English
Acidic Zirconia Materials for Durable NH~3-SCR deNOx Catalysts
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