Synthesis, properties, and activity of MoVTeNbO catalysts modified by zirconia-pillared clays in oxidative dehydrogenation of ethane

Abstract: Composites comprising MoVTeNbO mixed oxide and zirconia-pillared montmorillonite clays (PilCs) were prepared. XRD and TEM with EDX studies confirmed the preservation of M1 MoVTeNbO phase in these composites responsible for high activity and selectivity in ethane oxidative dehydrogenation into ethylene. For composites with PilC content of 10 wt%, the best ethylene yield exceeding that of bulk MoVTeNbO oxide was demonstrated for clays with zirconia pillars doped with Ce and Al possessing the highest specific surface area. This is explained by optimized chemical interaction of these clays with MoVTeNbO mixed oxide improving its bulk oxygen mobility and reactivity by structure disordering while blocking surface sites responsible for combustion due to the stabilization of the reactive terminal oxygen species.

Angaben zum Objekt

• Standort: Deutsche Nationalbibliothek Frankfurt am Main
• Umfang: Online-Ressource
• Sprache: Englisch

Verweise und Beziehungen

• Erschienen in: Synthesis, properties, and activity of MoVTeNbO catalysts modified by zirconia-pillared clays in oxidative dehydrogenation of ethane ; volume:19 ; number:1 ; year:2021 ; pages:492-502 ; extent:11 ; Open chemistry ; 19, Heft 1 (2021), 492-502 (gesamt 11)

Beteiligte, Orts- und Zeitangaben

• Urheber: Shorayeva, Kamshat Abithanovna ; Massalimova, Bakytgul Kabykenovna ; Bespalko, Yulia Nikolaevna ; Kovalev, Evgenii Pavlovich ; Ishchenko, Arcady Vladimirovich ; Sadykov, Vladislav Aleksandrovich

Weitere Informationen

• DOI: 10.1515/chem-2021-0048
• URN: urn:nbn:de:101:1-2410161755151.351852838257
• Rechteinformation: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Letzte Aktualisierung: 15.08.2025, 07:20 MESZ