Promoted scavenger for purifying HCl-contaminated gases
US4639259A · kind A · utility
21Cited by
13References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1985 |
| Grant date | Jan 27, 1987 |
| Priority date | — |
| Expiry date | Oct 9, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
HCl-contaminated gas streams are purified by contacting the contaminated gas with an alumina-containing material which has been promoted with an alkaline earth metal salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.