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Disordered mesoporous V/TiO2 system for ambient oxidation of sulfides to sulfoxides

Paper ID Volume ID Publish Year Pages File Format Full-Text
40501 45856 2013 7 PDF Available
Title
Disordered mesoporous V/TiO2 system for ambient oxidation of sulfides to sulfoxides
Abstract

High sulfide conversion and predominant sulfoxide yield has been observed with 0.1% vanadium doped disordered mesoporous Ti1−xVxO2 material at ambient and sub ambient temperatures using environmentally green H2O2 oxidant. Ti1−xVxO2 materials were prepared by one-pot solution combustion method in less than 15 min and thoroughly characterized by X-ray diffraction, HRTEM, Raman spectra and other physicochemical techniques. Different sulfides, such as, phenylsulfide, methyl-p-tolylsulfide, ethylsulfide, thioanisole, were converted into the corresponding sulfoxide. Isolated V5+ incorporated in the TiO2 lattice is likely to be the active species for the sulfide oxidation reaction. Catalyst recycling studies indicates the robustness of the catalyst.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (125 K)Download as PowerPoint slideHighlights► V has been incorporated into the TiO2 lattice position. ► Ti1−xVxO2 exhibit disordered mesoporosity. ► Ti1−xVxO2 evaluated for oxidation of sulfides to sulfoxides at ambient and at 278 K with environmentally benign H2O2.

Keywords
Heterogeneous catalysis; Mesoporous TiO2; Sulfoxidation; Hydrogen peroxide; Combustion synthesis; Ambient oxidation; Sulfoxide
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Disordered mesoporous V/TiO2 system for ambient oxidation of sulfides to sulfoxides
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 452, 15 February 2013, Pages 132–138
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