Hydrogen purification process that uses a combination of membrane separation units
US7947117B2 · kind B2 · utility
5Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2008 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Jun 11, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2203/148
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention describes a new hydrogen purification process that employs a combination of at least three membrane separation units. This process allows non-stationary operations and is particularly suitable for the production of hydrogen for the purpose of its use in a fuel cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.