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Synthesis and characterization of CuO/TiO2 catalysts for low-temperature CO oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
53152 46915 2006 6 PDF Available
Title
Synthesis and characterization of CuO/TiO2 catalysts for low-temperature CO oxidation
Abstract

In this paper, the CuO/TiO2 catalysts prepared by the deposition–precipitation (DP) method were extensively investigated for CO oxidation reaction. The structural characters of the CuO/TiO2 catalysts were comparatively investigated by TG-DTA, XRD, and XPS measurements. It was shown that the catalytic behavior of CuO/TiO2 catalysts greatly depended on the TiO2-support calcination temperature, the CuO loading amount and the CuO/TiO2 catalysts calcination temperature. CuO supported on the anatase phase of TiO2-support calcined at 400 °C showed better catalytic activity than those supported on TiO2 calcined at 500 and 700 °C. Among all our investigated catalysts with CuO loading from 2% to 12%, the catalyst with 8 wt% CuO loading exhibited the highest catalytic activity. The optimum calcination temperature of the CuO/TiO2 catalysts was 300 °C. The XRD results indicated that the catalytic activity of the CuO/TiO2 catalysts was related to the crystal phase and particle size of TiO2 support and CuO active component.

Keywords
Sol–gel method; CuO/TiO2 catalyst; Low-temperature CO oxidation; Deposition–precipitation method
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Synthesis and characterization of CuO/TiO2 catalysts for low-temperature CO oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 12, December 2006, Pages 1029–1034
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