Membrane-based alkali metal extraction system
US12012664B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2023 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Mar 16, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/345
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The presently disclosed concepts relate to improved techniques for critical mineral extraction, purification, precipitation, ion exchange, and metal production using a solid electrolyte membrane. By using a solid electrolyte embedded in a matrix, alkali metal (such as lithium) can be more effectively separated from feed solutions. Additionally, energy used to initially extract critical minerals from a feed solution may be stored as electrochemical energy, which in turn, may be discharged when critical minerals are depleted from the electrode. This discharged energy may therefore be reclaimed and reused to extract additional critical minerals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.