Method for purifying exhaust gas and apparatus
US5102634A · kind A · utility
9Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1991 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Aug 12, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/8668
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for purifying an exhaust gas containing catalyst poison(s) by subjecting the gas to a catalytic treatment which comprises previously passing the gas through a layer packed with a highly activated alumina to remove the catalyst poison(s); and an apparatus for purifying exhaust gas containing catalyst poison(s) by subjecting the gas to a catalytic treatment, wherein a layer packed with a highly activated alumina for removal of the catalyst poison(s) and a layer packed with an oxidation catalyst for removal of harmful substances in the gas are separately arranged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.