Ceria added Sb-V 2 O 5 /TiO 2 catalysts for low temperature NH 3 SCR: Physico-chemical properties and catalytic activity
Applied Catalysis B: Environmental(2013)
Abstract
•Addition of ceria enhanced NOx conversion and induced SO2 and water resistance.•The ceria loading increased the Brønsted acidity was investigated by DRIFTS.•Enhanced NOx conversion above 350°C by retarding direct oxidation of NH3.•Increase in total acidity, reducibility and surface oxygen species (Oα,Oβ) was observed.
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Key words
Sb-V2O5-Ce/TiO2,Ceria effect,XPS,TPD,Brønsted acid sites
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