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Supported copper–ceria catalysts for low temperature CO oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
51509 46845 2010 4 PDF Available
Title
Supported copper–ceria catalysts for low temperature CO oxidation
Abstract

In this investigation, CuO/CeO2–MxOy (MxOy = Al2O3, ZrO2 and SiO2) nanocomposite oxide catalysts were prepared by deposition-precipitation and wet impregnation methods, and evaluated for CO oxidation. Catalysts were characterized by XRD, TEM, UV–vis DRS, BET surface area and H2-TPR techniques. The synthesized catalysts exhibited high specific surface area, and uniform particle size distribution over the supports. The nanocrystalline texture of mixed metal oxides is clearly evidenced by TEM analysis. TPR and XRD results revealed synergetic interactions between copper oxide and ceria. Among various catalysts investigated, the CuO/CeO2–Al2O3 combination exhibited excellent CO oxidation activity with T1/2 = 374 K and 100% CO conversion at below 420 K.

Keywords
CO oxidation; CuO/CeO2; Supported copper oxide catalysts
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Supported copper–ceria catalysts for low temperature CO oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 10, 11 May 2010, Pages 863–866
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
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Full-text PDF Download
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