US Patent 9725787 Process and equipment for producing pure lithium-containing solution
Patent 9725787 was granted and assigned to Outotec on August, 2017 by the United States Patent and Trademark Office.
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The invention relates to a process for producing a lithium-containing solution from a lithium-containing raw-material solution, by: a) precipitating a first part of magnesium and calcium from the lithium-containing raw-material solution, b) extracting a second part of calcium and magnesium from the lithium-containing solution by liquid-liquid extraction, a resultant product being a lithium-containing solution. The invention also relates to equipment for producing a lithium-containing solution from a lithium-containing raw-material solution, including a precipitation unit to remove a first part of magnesium and calcium and an extraction unit to receive the lithium-containing raw-material solution and to remove therefrom a second part of calcium and magnesium by liquid-liquid extraction, and control unit to control the operation of the precipitation unit.
US Patent 09725787 Process and equipment for producing pure lithium-containing solution US Patent 9725787 Process and equipment for producing pure lithium-containing solution
US Patent 09725787 Process and equipment for producing pure lithium-containing solution
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