Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites

Enhancement of Activity and Selectivity in Acid-Catalyzed Reactions by Dealuminated Hierarchical Zeolites

Shape‐selective reactions: Highly selective catalysts are obtained by alkaline and subsequent acid leaching of conventionally prepared zeolites. Active sites that are located in the shape‐selective environment of micropores and accessible through mesopores (see picture) provide high selectivity and...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-02, Vol.52 (7), p.2038-2041
Hauptverfasser: Sazama, Petr, Sobalik, Zdenek, Dedecek, Jiri, Jakubec, Ivo, Parvulescu, Vasile, Bastl, Zdenek, Rathousky, Jiri, Jirglova, Hana
Format: Artikel
Sprache:eng
Schlagworte:
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Acid leaching
alkylation
Catalysis
Catalysts
cracking
dealumination
isomerization
Pictures
Selectivity
Zeolites
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Beschreibung
Zusammenfassung:Shape‐selective reactions: Highly selective catalysts are obtained by alkaline and subsequent acid leaching of conventionally prepared zeolites. Active sites that are located in the shape‐selective environment of micropores and accessible through mesopores (see picture) provide high selectivity and activity in acid‐catalyzed reactions.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201206557