Improved N{sub 2} selectivity for platinum on alumina prepared by sol-gel technique in the reduction of NO{sub x} by propene
- Univ. of Michigan, Ann Arbor, MI (United States). Chemical Engineering Dept.
The authors present results which demonstrate that a 1% Pt/alumina catalyst prepared by a sol-gel technique is superior in its N{sub 2} selectivity in the catalytic reduction of NO{sub x} by propene to similarly loaded Pt/alumina catalysts prepared by the more commonly used impregnation technique. The selectivity of the sol-gel catalyst to N{sub 2} at maximum conversion is 83% as compared to 43% and 60% selectivity observed with Pt catalysts prepared using the impregnation technique. The sol-gel made catalyst does not change its activity and selectivity even in the presence of 2.5% water.
- OSTI ID:
- 289449
- Journal Information:
- Journal of Catalysis, Journal Name: Journal of Catalysis Journal Issue: 2 Vol. 179; ISSN 0021-9517; ISSN JCTLA5
- Country of Publication:
- United States
- Language:
- English
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