Preparation of lithium carbonate from lithium chloride containing brines
US9034295B2 · kind B2 · utility
6Cited by
86References
6Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 21, 2014 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Apr 21, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/50
- WIPO fieldMaterials, metallurgy
- 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.