Method embodiments for extracting elements from coal combustion products
US12084743B1 · kind B1 · utility
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Key dates
| Filing date | Mar 15, 2021 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Dec 25, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B60/0295
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Disclosed herein are embodiments of methods for isolating rare earth elements (REEs) and radioisotopes from coal combustion products, such as fly ash. In particular embodiments, lanthanides, Al, Sc, Y, or compounds comprising lanthanides, AI, Sc, Y, or any combination thereof; or actinides can be isolated using the methods disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.