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H2 assisted decomposition of cerium nitrate to ceria with enhanced catalytic properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
51049 46827 2010 5 PDF Available
Title
H2 assisted decomposition of cerium nitrate to ceria with enhanced catalytic properties
Abstract

CeO2 samples were prepared by Ce(NO3)3·6H2O decomposition under synthetic air or 5%H2/N2 at 500 °C. The samples were characterized by XRD, N2 adsorption at − 196 °C, Temperature Programmed Reduction with H2 (H2–TPR) and DRIFTS. The catalytic activity for CO oxidation was also tested. The main conclusion is that H2 accelerates the decomposition of cerium nitrate to CeO2 with regard to air decomposition, allowing preparation of ceria with enhanced catalytic behavior. The gas atmosphere used in the decomposition of the nitrates has no effect in the crystal size and surface area of the ceria samples obtained.

Keywords
CeO2; CO oxidation; Ceria catalyst; H2; Cerium nitrate decomposition; Cerium oxide
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H2 assisted decomposition of cerium nitrate to ceria with enhanced catalytic properties
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 9, 30 April 2010, Pages 848–852
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