Investigating the role of Cu-oxo species in Cu-nitrate formation over Cu-CHA catalysts
Chiara Negri, Andrea Martini, Gabriele Deplano, Kirill A. Lomachenko, Ton V. W. Janssens, Elisa Borfecchia, Gloria Berlier, Silvia Bordiga
Abstract
The speciation of the Cu II sites in Cu-CHA catalysts for NH 3 -SCR is studied, to investigate the influence of the Al content on the structure and reactivity of these sites in a NO/O 2 mixture.
Topics & Concepts
X-ray absorption spectroscopyExtended X-ray absorption fine structureCopperCatalysisChemistryChabaziteZeoliteAbsorption spectroscopyDenticityReactivity (psychology)Inorganic chemistryCrystallographyCrystal structureOrganic chemistryMedicinePathologyPhysicsQuantum mechanicsAlternative medicineCatalytic Processes in Materials ScienceNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis