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US 12,030,784 B2Granted
Recovery of lithium hydroxide
AssigneeBright Minz Pty Ltd
InventorsMark Daniel Urbani, Nicholas John Vines, Gary Donald Johnson
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Abstract
A process for the recovery of lithium hydroxide from lithium sulfate containing solutions, the process characterised by the following method steps: precipitating ettringite from a lithium sulfate containing solution in a primary ettringite precipitation step (100); subsequent recovery of a liquor (7, 11) containing lithium hydroxide; and producing a lithium hydroxide monohydrate product (22) from the lithium hydroxide liquor (7, 11).
Claims17
A process for the recovery of lithium hydroxide from lithium sulfate containing solutions, the process characterised by the following method steps:
- precipitating ettringite from a lithium sulfate containing solution in a primary ettringite precipitation step;
- subsequent recovery of a liquor containing lithium hydroxide;
- and
- producing a lithium hydroxide monohydrate product from the lithium hydroxide liquor.
1 more element
Dependencies are inferred from the claim text.