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Host (aluminum incorporated mesocellulous silica foam (Al-MCF))-guest (tungsten polyoxometalate) nanocomposite material: an efficient and reusable catalyst for selective oxidation of sulfides to sulfoxides and sulfones

Paper ID Volume ID Publish Year Pages File Format Full-Text
49833 46769 2012 5 PDF Available
Title
Host (aluminum incorporated mesocellulous silica foam (Al-MCF))-guest (tungsten polyoxometalate) nanocomposite material: an efficient and reusable catalyst for selective oxidation of sulfides to sulfoxides and sulfones
Abstract

A green, efficient and selective approach for the oxidation of sulfides to sulfoxides and sulfones with H2O2 at room temperature is reported. The reaction is performed in the presence of tungstophosphoric acid (PW12) supported on an aluminum incorporated mesocellulous silica foam (Al-MCF) (via both: the impregnation and encapsulation methods), as heterogeneous and reusable catalysts. The structural and textural characterizations of these catalysts were done using FTIR, X-ray diffraction, N2 adsorption–desorption and TEM.

► Ordered mesoporous silicas have been reported as suitable supports. ► High surface areas were obtained for the modified-Al-MCF samples. ► The PW12@Al-MCF is efficient catalysts for the selective oxidation of sulfides.

Keywords
Tungstophosphoric acid; Mesocellular silica foams; Sulfides; Sulfoxides; Sulfones
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Host (aluminum incorporated mesocellulous silica foam (Al-MCF))-guest (tungsten polyoxometalate) nanocomposite material: an efficient and reusable catalyst for selective oxidation of sulfides to sulfoxides and sulfones
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 29, 5 December 2012, Pages 48–52
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us