Agglomerated adsorbent, process for the production thereof and use thereof for the non-cryogenic separation of industrial gases
US6652626B1 · kind B1 · utility
44Cited by
22References
19Claims
0Family size
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Key dates
| Filing date | Jul 17, 1998 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Jul 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S95/902
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A description is given of agglomerates of faujasite X with an Si/Al ratio of 1, the inert binder of which, on the one hand, has been converted to active zeolite by conversion to zeolite in an alkaline liquor, and which have been subjected, on the other hand, to an exhaustive lithium exchange. These adsorbents develop a nitrogen adsorption capacity (1 bar/25° C.) of at least 26 cm3/g, which makes them excellent adsorbents for the non-cryogenic separation of gases from air and for the purification of hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.