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An XPS evidence of the effect of the electronic state of Pd on CH4 oxidation on Pd/γ–Al2O3 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52467 46875 1980 4 PDF Available
Title
An XPS evidence of the effect of the electronic state of Pd on CH4 oxidation on Pd/γ–Al2O3 catalysts
Abstract

In this work, we investigated the catalytic activity of 2% Pd/γ–Al2O3 and 2% Pd–1% Sn/γ–Al2O3 for CH4 oxidation in lean conditions in the presence and in the absence of SO2 in the reaction feed. The catalysts were studied by the Pd3d5/2 electron binding energy values determined by XPS analysis. Sulfates formation and/or tin addition to Pd/Al2O3 resulted in an increase of the Pd3d5/2 electron binding energy. Results showed a direct relation between Pd activity for CH4 oxidation and the degree of oxidation of Pd species.

Keywords
Methane oxidation; NGV’s emissions; Pd-Sn catalysts; Sulfur deactivation
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An XPS evidence of the effect of the electronic state of Pd on CH4 oxidation on Pd/γ–Al2O3 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 12, December 2007, Pages 1977–1980
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
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