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US 2013/0272933 A1Published application
Method for producing high-purity lithium carbonate
AssigneeKorea Resources Corporation
InventorsDong Jun Kang, Mi Hee Yoon, Jeon Woong An
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Abstract
Disclosed is a method for producing high-purity lithium carbonate. The method includes: removing magnesium and boron from a brine; separating and removing the remaining magnesium and calcium; concentrating the resulting brine by spray drying to form a powder; washing the powder to concentrate lithium; and carbonating the lithium ions with sodium carbonate (Na2CO3).
Claims5
A method for producing high-purity lithium carbonate from a brine, the method comprising:
- removing magnesium and boron from a brine;
- separating and removing the remaining magnesium and calcium;
- concentrating the resulting brine by spray drying to form a powder;
- washing the powder to concentrate lithium;
- and
- carbonating the lithium ions with sodium carbonate (Na2CO3).
3 more elements
Dependencies are inferred from the claim text.