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Nanocasted oxides for gas phase glycerol conversion

Paper ID Volume ID Publish Year Pages File Format Full-Text
41428 45889 2011 13 PDF Available
Title
Nanocasted oxides for gas phase glycerol conversion
Abstract

Catalytic performance of binary nanostructured oxides has been evaluated in the gas-phase dehydration of glycerol, an environmental friendly reaction. SnO2–Mn2O3, SnO2–ZrO2, SnO2–TiO2, ZrO2–Mn2O3 nanocasted oxides, and a reference, NiO–Co3O4, were characterised by XRD, Raman spectroscopy, acid–base measurements, SEM–EDX, TPR, HTEM and XPS. Correlations among the catalyst's activity and the surface, textural, and acid–base properties of the nanocasted oxides were tentatively conducted in attempts to justify the catalytic results. Influences of nanoparticle or nanostructure structural properties on the catalytic activity have been investigated. The better activity of SnO2–TiO2 at 250 °C and a glycerol/water molar ratio of 0.25 was due to cooperativity of Sn4+ and Ti4+. The most important finding was that nanostructure features of the solid enhanced nanoparticle stability through the redox ability of the binary solid compared to conventional binary catalysts.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (87 K)Download as PowerPoint slideHighlights► Binary nanostructured oxides evaluated in gas-phase dehydration of glycerol. ► Activity and stability of SnO2–TiO2. ► Cooperativity of Sn4+ and Ti4+.

Keywords
Oxides; Dehydration; Nanocasting; Glycerol; Characterisations
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 399, Issues 1–2, 31 May 2011, Pages 50–62
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