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US 2026/0285698 A1Published application
Method for producing lithium hydroxide
AssigneeJx Metals Circular Solutions Co., Ltd.
InventorJunichi ARAKAWA
Life of this patent
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Abstract
A method for producing lithium hydroxide includes: a first crystallization step of concentrating a lithium hydroxide solution containing carbonate ions to precipitate and separate crystals containing lithium carbonate; and a second crystallization step of concentrating the lithium hydroxide solution after the first crystallization step in a reduced pressure atmosphere to obtain crystals containing lithium hydroxide.
Claims12
A method for producing lithium hydroxide, comprising:
- a first crystallization step of concentrating a lithium hydroxide solution comprising carbonate ions, and precipitating and separating crystals comprising lithium carbonate;
- and
- a second crystallization step of concentrating the lithium hydroxide solution after the first crystallization step in a reduced pressure atmosphere to obtain crystals comprising lithium hydroxide.
Dependencies are inferred from the claim text.