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Effect of addition on Y2O3 in ZrO2 support on n-butane Pt catalyzed oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
50851 46818 2012 6 PDF Available
Title
Effect of addition on Y2O3 in ZrO2 support on n-butane Pt catalyzed oxidation
Abstract

This paper examines the effect of the addition of Y2O3 in ZrO2 support, on the support basicity, the Pt dispersion and the catalytic activity for the oxidation of n-C4H10. The ZrO2 supports, with and without 2 mol% of Y2O3, and the supported-Pt catalysts calcined at 600 and 900 °C have been studied. The basicity and acidity of ZrO2 determined by CO2-TPD and NH3-TPD was improved by Y2O3 dopant. Catalyst characterizations such as XRD, CO chemisorption and CO adsorption followed by IR spectroscopy demonstrated the positive effect of Y2O3 dopant to increase the stability of Pt particles even at high calcination temperatures, and so to increase the catalytic activity.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Effect of Y2O3 addition in ZrO2 support. ► Effect of support basicity on Pt dispersion and catalytic activity. ► Catalysts for oxidation of n-C4H10. ► Y2O3 dopant increases stability of Pt particles and catalytic activity.

Keywords
Three-way catalysts; Yttrium; Zirconium oxide; Platinum
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Effect of addition on Y2O3 in ZrO2 support on n-butane Pt catalyzed oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 19, March 2012, Pages 74–79
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
Price after discount Only $4.95
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