Process for purifying a gas containing hydrogen sulfide and carbon dioxide and apparatus therefor
US4421725A · kind A · utility
19Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1981 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Jul 9, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for separating H.sub.2 S from CO.sub.2, both contained in a treated gas, wherein said gas is contacted with a solution which selectively absorbs H.sub.2 S, wherefrom H.sub.2 S is separated in a regeneration zone, CO.sub.2 being released, said contact step being effected in a contact apparatus comprising 1 to 10 stages each formed of parallel vertical tubes whose bottom portion is provided with injection means of the cyclonic type imparting to the supplied gas and liquid a swirling ascending motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.