Hydrogen purification using metal hydride getter material
US6017502A · kind A · utility
3Cited by
4References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 16, 1997 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Oct 16, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2203/0495
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A metal hydride getter purifier operated at less than 350.degree. C. to remove impurities such as carbon dioxide, carbon monoxide, nitrogen, oxygen and water to levels of the order of one ppb or less from hydrogen without creating greater than 10 ppb methane. A cryogenic stage after the getter stage may be used to ensure removal of methane from hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.