期刊
CATALYSIS LETTERS
卷 134, 期 3-4, 页码 330-336出版社
SPRINGER
DOI: 10.1007/s10562-009-0249-8
关键词
PROX; CO oxidation; Selectivity; Ionic substitution; Ti substitution
资金
- Department of Science and Technology, India
Pt2+ ion dispersed in CeO2, Ce1-xTixO2-delta and TiO2 have been tested for preferential oxidation of carbon monoxide (PROX) in hydrogen rich stream. It is found that Pt2+ substituted CeO2 and Ce(1-x)TixO(2-delta) in the form of solid solution Ce0.98Pt0.02O2-delta and Ce0.83Ti0.15Pt0.02O2-delta are highly CO selective low temperature PROX catalysts in hydrogen rich stream. Just 15% of Ti substitution in CeO2 improves the overall PROX activity.
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