Aggregate zeolitic absorbents, their method of preparation and their uses
US8735643B2 · kind B2 · utility
9Cited by
1References
29Claims
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Key dates
| Filing date | Dec 16, 2008 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Mar 26, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to aggregate zeolitic adsorbents based on faujasite X type zeolite powder having a low silica content and small crystals, exchanged with barium or based on faujasite X type zeolite having a low silica content and small crystals, exchanged with barium and potassium.The invention also relates to the method for preparing said aggregate zeolitic adsorbents, and also their uses for separating sugars, polyhydric alcohols, isomers of substituted toluene, cresols, or for recovering very high purity paraxylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.