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Anglický jazyk
Tin Nano Catalyst for Bayer-Villiger Oxidation Reaction
Autor: Srilatha Konda
Highly ordered mesoporous SBA-15 silica material was synthesized under hydrothermal conditions using P123 as template and tetraethyl orthosilicate as silica source. Tin nanoparticles were deposited on the pore surfaces of Si-SBA-15 support post synthetically... Viac o knihe
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O knihe
Highly ordered mesoporous SBA-15 silica material was synthesized under hydrothermal conditions using P123 as template and tetraethyl orthosilicate as silica source. Tin nanoparticles were deposited on the pore surfaces of Si-SBA-15 support post synthetically using SnCl4 as tin source. Tin containing SBA-15 catalysts were also prepared by direct synthesis using SnCl4 and SBA-15 precursors under hydrothermal conditions. These Sn-SBA-15 catalysts were further modified by adding trifluromethane sulfonic acid (F3CH-SO3H). These Sn-SBA-15-OTf catalysts were characterized by low angle XRD and N2 adsorption-desorption techniques to investigate the structural intactness of SBA-15 after every modification. The deposition of Sn, its crystalline behavior, particle size, local environments and morphological aspects were characterized by FT-IR, XRD, UV-vis, XPS and SEM techniques respectively. The loading amount of Tf-OH was confirmed by CHNS analysis. Sn-SBA-15-OTf catalyst was found to be highly active and selective towards the Baeyer-Villiger oxidation of cyclohexane to e-caprolactone in the liquid phase as heterogeneous catalyst.
- Vydavateľstvo: LAP LAMBERT Academic Publishing
- Rok vydania: 2015
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9783659331206
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