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Methane oxidation by NO and O2 from reverse spillover on alumina supported palladium catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
53060 46901 2008 5 PDF Available
Title
Methane oxidation by NO and O2 from reverse spillover on alumina supported palladium catalysts
Abstract

Pd/Al2O3 was tested for the selective reduction of NO and simultaneous oxidation of methane by NO and O2 from reverse spillover on alumina supported palladium. The results of CH4/Ar and CH4/NO/Ar experiments clearly demonstrated the two sources of surface oxygen species able to oxidize the methane. When oxygen from the reverse spillover is totally consumed, the reaction NO/CH4 is stoichiometric, all oxygen come from the NO dissociation. The role of methane is similar to CO in TWC since methane removes the oxygen, from NO dissociation on the cationic sites of Pd atoms, and permits the reaction to proceed further.

Keywords
Methane; Oxidation; NO; Oxygen; Palladium
First Page Preview
Methane oxidation by NO and O2 from reverse spillover on alumina supported palladium catalysts
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 8, 20 April 2008, Pages 1704–1708
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis