Process for treating a gaseous mixture by adsorption
US4969935A · kind A · utility
56Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Jul 5, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/403
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This PSA cycle comprises two successive pressure equilibration steps in the course of which gas is withdrawn in a cocurrent manner from an adsorber at the beginning of countercurrent decompression and respectively introduced in a countercurrent manner and then in a cocurrent manner in another adsorber at the beginning of recompression. Application in the production of impure oxygen from air of the atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.