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The catalytic activity for CO oxidation of CuO supported on Ce0.8Zr0.2O2 prepared via citrate method

Paper ID Volume ID Publish Year Pages File Format Full-Text
52823 46890 2007 6 PDF Available
Title
The catalytic activity for CO oxidation of CuO supported on Ce0.8Zr0.2O2 prepared via citrate method
Abstract

CuO/Ce0.8Zr0.2O2 catalysts were prepared by citrate method and used for carbon monoxide oxidation. The samples were characterized by XRD, XPS, BET and ICP-AES techniques. The catalytic properties of the catalysts were studied by using a microreactor-GC system. XRD analysis showed Ce0.8Zr0.2O2 was cubic, fluorite structure for all the catalysts. The XPS indicated the valence of Ce atom was +4 and there were reduced copper species presented in the CuO/Ce0.8Zr0.2O2 catalyst. The results showed that the CuO loadings, calcination temperature and calcination time affected the catalytic activity of the catalysts for low-temperature CO oxidation. For comparison, the catalytic activities of CuO/CeO2 catalysts calcined at different temperatures were also studied. The results indicated that CuO/Ce0.8Zr0.2O2 catalyst had better thermal resistance than CuO/CeO2 catalyst and had inferior activity than the CuO/CeO2 catalyst when they were both calcined at 600 °C.

Keywords
CuO/Ce0.8Zr0.2O2 catalysts; Low-temperature CO oxidation; Catalytic activity
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The catalytic activity for CO oxidation of CuO supported on Ce0.8Zr0.2O2 prepared via citrate method
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 3, March 2007, Pages 231–236
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
Online Support
Any Questions? feel free to contact us