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Topics in Catalysis
Erschienen in: Topics in Catalysis 4-6/2015

01.04.2015 | Original Paper

Facile Styrene Epoxidation with H2O2 over Novel Niobium Containing Cage Type Mesoporous Silicate, Nb-KIT-5

verfasst von: Anand Ramanathan, Rajamanickam Maheswari, Bala Subramaniam

Erschienen in: Topics in Catalysis | Ausgabe 4-6/2015

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Abstract

Niobium has been incorporated into cage-like ordered mesoporous KIT-5, a cubic close-packed (Fm3m) structured silica, for the first time by a direct hydrothermal synthesis method. Small-angle X-ray scattering spectra and nitrogen physisorption results confirm the formation of the KIT-5 structure. The incorporation of Nb and its coordination were confirmed by techniques such as elemental analysis, diffuse reflectance UV–Vis, Raman, HR-SEM and NH3-TPD. When tested as epoxidation catalyst for styrene with H2O2, Nb-KIT-5 mainly yielded (1,2-dimethoxyethyl) benzene with methanol as solvent. It also showed better catalytic activity compared to other mesostructured catalysts such as Nb-KIT-6 and Nb-SBA-15.
Vorheriger Artikel EXAFS Characterization of Palladium-on-Gold Catalysts Before and After Glycerol Oxidation
Nächster Artikel Catalytic Epoxidation of Cyclohexene with Tert-butylhydroperoxide Using an Immobilized Molybdenum Catalyst

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Metadaten
Titel
Facile Styrene Epoxidation with H2O2 over Novel Niobium Containing Cage Type Mesoporous Silicate, Nb-KIT-5
verfasst von
Anand Ramanathan
Rajamanickam Maheswari
Bala Subramaniam
Publikationsdatum
01.04.2015
Verlag
Springer US
Erschienen in
Topics in Catalysis / Ausgabe 4-6/2015
Print ISSN: 1022-5528
Elektronische ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-015-0372-2

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