Catalyst for catalytic reduction of nitrogen oxides
US5733837A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 5, 1996 |
| Grant date | Mar 31, 1998 |
| Priority date | — |
| Expiry date | Apr 5, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/2065
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for catalytic reduction of nitrogen oxides using a hydrocarbon and/or a oxygen-containing organic compound as a reducing agent is disclosed, which comprises a cerium oxide supported on a solid acid carrier. Also, a catalyst for catalytic reduction of nitrogen oxides using a hydrocarbon and/or an oxygen-containing organic compound as a reducing agent is disclosed, which comprises: PA1 (a) at least one element selected from the elements of Group Ib, Group IIa, Group IIb, Group IIIa, Group IIIb, Group IVa, Group IVb, Group Va, Group VIa, Group VIIa, and Group VIII in the Periodic Table (hereinafter referred to as the elements belonging to group (a)); and PA1 (b) a cerium oxide, supported on a solid acid carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.