Catalyst for reduction of nitrogen oxides and method for manufacture thereof
US4160744A · kind A · utility
2Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1978 |
| Grant date | Jul 10, 1979 |
| Priority date | — |
| Expiry date | Mar 6, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/053
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a substance which is obtained by coating the surface of a specific iron-containing substance, through a specific procedure, with a material composed mainly of aluminum sulfate. The substance thus produced is useful as a catalyst for the removal of nitrogen oxides from an exhaust gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.