Methods for making zeolites
US10844460B2 · kind B2 · utility
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6References
7Claims
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Key dates
| Filing date | Aug 15, 2019 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Aug 15, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of making a zeolite comprises: adding a zeolite seed to a leach solution containing silicon and aluminum; and heating the leach solution to obtain the zeolite. The leach solution can be made by mixing coal ash with a basic stream, thereby creating (i) a leach solution containing silicon and aluminum, and (ii) leached ash; and separating the leach solution from the leached ash.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.