Process for the synthesis, with multiple seeding, of zeolite crystals having a controlled particle size
US11124421B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Mar 12, 2018 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Sep 11, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/53
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing zeolite crystals having a multimodal particle size distribution, and the sizes of which are between 0.02 μm and 20 μm, said process comprising a first introduction of one or more seeding agents into the tubular reactor or upstream of the tubular reactor, and at least one second introduction of one or more, identical or different, seeding agents into the tubular reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.