Pressure control for improved gas dehydration in systems which employ membrane dryers in intermittent service
US5131929A · kind A · utility
26Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1991 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | May 6, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/268
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and process for dehumidification of a compressed gas using a membrane cartridge dryer wherein substantially dry gas is provided upon process startup without requiring purging of the membrane cartridge. In the apparatus, a back pressure regulator valve controls the release of compressed gas to the dryer and a check valve controls the release of the dry gas from the dryer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.