Method and apparatus for concentrating a gas using a single stage adsorption chamber
US6217635A · kind A · utility
40Cited by
39References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Mar 16, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/401
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and apparatus for operating a pressure swing adsorption process is disclosed that may utilize only a single adsorption stage yet still produce a continuous stream of a concentrated fluid. A portion of the enriched fluid produced during the adsorption cycle in an adsorption chamber is used to purge the adsorption chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.