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Preparation of copper-containing mesoporous manganese oxides and their catalytic performance for CO oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
47791 46482 2009 5 PDF Available
Title
Preparation of copper-containing mesoporous manganese oxides and their catalytic performance for CO oxidation
Abstract

Copper-containing mesoporous manganese oxides were prepared by the sol–gel method. The samples obtained were characterized by XRD, N2 adsorption–desorption, ICP, CO-TPD, redox measurement and XPS. After calcination at 300 °C, amorphous structure was shown by XRD for all the samples. All the samples had mesopores of about 6 nm and high surface areas of 170–230 m2 g−1. Using these samples as catalysts, CO oxidation was carried out as a model reaction. Copper-containing mesoporous manganese oxide prepared by the sol–gel method showed a very high activity. On the other hand, copper-supported manganese oxide prepared by the impregnation method using copper sulfate showed a low activity. Differences in activities were correlated with the mobility of lattice oxygen.

Keywords
Manganese oxide; Mesoporous; CO oxidation; Lattice oxygen; Copper
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Preparation of copper-containing mesoporous manganese oxides and their catalytic performance for CO oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 89, Issues 3–4, 15 July 2009, Pages 420–424
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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