| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 71825 | Journal of Natural Gas Chemistry | 2007 | 4 Pages |
Abstract
Storage-reduction of NOX by carbon monoxide was investigated over combined catalysts of Mn/Ba/Al2O3-Pt/Ba/Al2O3. Combination of Mn/Ba/Al2O3 and Pt/Ba/Al2O3 catalysts in different ways showed excellent NOX storage-reduction performance and the content of Pt could be reduced by 50%. Not only the addition of 5Mn/15Ba/Al2Oa to lPt/15Ba/Al2Oa could improve its storage ability, but also enhance the NOX conversion consequently. NOx conversion over the combined catalysts (the combined catalysts I and II) was increased under dynamic lean-rich burn conditions, the maximum NOX conversion increased from 69.4% to respectively 78.8% and 75.7% over two combined catalysts.
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