Method for purifying hydrogen-based gas mixtures using a calcium x-zeolite
US6849106B2 · kind B2 · utility
6Cited by
25References
26Claims
0Family size
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Key dates
| Filing date | Jul 2, 2001 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Jul 2, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/156
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Conducting a PSA process for the purification of gaseous hydrogen contaminated at least with CO and N2 of the H1 where the gas stream to be purified is passed through an adsorption region comprising at least one adsorbent based on zeolite 5A and one adsorbent based on zeolite X exchanged with calcium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.