Multi-port indexing drum valve for VPSA
US7867320B2 · kind B2 · utility
48Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2008 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Jun 24, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2210/0062
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a dual feed and dual vacuum four bed VPSA process for selectively adsorbing a component from a feed stream, e.g., nitrogen from air, to produce an oxygen-enriched gas stream using a multi-port indexing drum valve, a system comprising a multi-port indexing drum valve and method for operating such a system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.