Process of solvent extraction for separation of rare earth elements (REEs) through partial reflux of rare earths in solvent based on separation factor
US10227676B2 · kind B2 · utility
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Key dates
| Filing date | Jul 14, 2017 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Jul 14, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process of solvent extraction for separation of rare earth elements (REEs) based on separation factor is provided. The method includes repeatedly contacting the REEs containing aqueous solution with a suitable solvent containing a diluent and/or a modifier and an REE as a partial reflux.
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