Lithium extraction process
By heating the mixture of lithium-containing material and solid calcining agent and suspending it in a water aliquot sample, the problem of energy consumption of high-temperature calcining process in the prior art is solved, and the effect of efficient and economical extraction of lithium from α-spentium is achieved.
Patent Information
- Application Number
- CN202180016054.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2020-02-20
- Filing Date
- 2021-02-19
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2041-02-19
AI Technical Summary
In the prior art, the method of leaching lithium from the α-spentum phase has a high-temperature roasting process, which consumes a lot of energy and is not economical, and there is limited literature on the recycling of α-spentum Li.
Using a method, it comprises heating a mixture of lithium-containing material and a solid calciner to form a solid composition comprising a water-soluble phase and a water-insoluble phase, and then suspending the composition in a water aliquot, dissolving the water-soluble phase and recovering lithium. The process is carried out at a temperature of about 100°C to less than 850°C, avoiding high temperature roasting.
It realizes efficient and economical extraction of lithium from α-spentium, reduces energy consumption, improves lithium recovery, and has a more environmentally friendly process.