Structure‐Activity Relationships in Highly Active Platinum‐Tin MFI‐type Zeolite Catalysts for Propane Dehydrogenation
Inés Lezcano‐González, Peixi Cong, Emma Campbell, Monik Panchal, Miren Agote‐Arán, Verónica Celorrio, Qian He, Ramon Oord, Bert M. Weckhuysen, Andrew M. Beale
Abstract
Abstract Pt/Sn‐containing MFI zeolites prepared by one‐pot hydrothermal methods are highly active and selective catalysts for propane dehydrogenation. An alternative preparation method is reported alongside an in‐depth characterization of Pt and Sn before and after reaction. Pt species dispersed on highly‐defective Silicalite‐1 show a significantly long catalytic lifetime with an improved coke resistance, but increased Pt−Sn alloying and the (eventual) build‐up of carbon leads to deactivation.
Topics & Concepts
DehydrogenationPropaneCatalysisTinZeolitePlatinumCokeInorganic chemistryHydrothermal circulationMaterials scienceActive carbonCarbon fibersChemical engineeringChemistryOrganic chemistryMetallurgyWaste managementComposite materialComposite numberEngineeringCatalysis and Oxidation ReactionsCatalytic Processes in Materials ScienceZeolite Catalysis and Synthesis