Preparation of lithium carbonate from lithium chloride containing brines
US11649170B2 · kind B2 · utility
1Cited by
102References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 2020 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Aug 7, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a method for the preparation of lithium carbonate from lithium chloride containing brines. The method can include a silica removal step, capturing lithium chloride, recovering lithium chloride, supplying lithium chloride to an electrochemical cell and producing lithium hydroxide, contacting the lithium hydroxide with carbon dioxide to produce lithium carbonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.