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US 12,709,786 B2Granted
Selective recovery of Li
AssigneeGelion Technologies Pty Ltd
InventorKoen Vandaele
Life of this patent
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Abstract
A method for selectively removing Li from an input material comprising Li and one or more transition metals, comprising the steps of: contacting said input material with a leaching medium comprising formic acid; and leaching Li from the input material to form a leachate; wherein the concentration of formic acid in the leaching medium is at least 70 wt. %.
Claims15
A method for selectively removing Li from an input material comprising Li and one or more transition metals, comprising the steps of:
- contacting said input material with a leaching medium comprising formic acid and a sulphate salt;
- and
- leaching Li from the input material to form a leachate;
- wherein the concentration of formic acid in the leaching medium is at least 70 wt. %.
1 more element
Dependencies are inferred from the claim text.