Control system for helium recovery
US7169210B2 · kind B2 · utility
11Cited by
13References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2002 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Jul 31, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2210/0048
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a gas recycling system that includes a) a source of gas having a predetermined purity; b) an application system that uses the gas and adds contaminants to the gas; c) an adsorption system for removing the contaminants from the gas to produce a purified gas and a waste gas; d) a gas purity analyzer for measuring the amount of the contaminants in the waste gas; and e) conduits connecting the gas source to the application system, and the application system to the adsorption system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.