Process and catalyst system for SCR of NOx
US8062617B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Sep 14, 2010 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Sep 14, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for reducing nitrogen oxides to nitrogen in an exhaust gas comprising passing the exhaust gas in the presence of a reducing agent through a catalyst system comprising at least two catalyst beds, in which a first catalyst bed is an iron-beta-zeolite and a second catalyst bed downstream is silver supported on alumina.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.