Recovery of lithium hydroxide

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,...

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Bibliographische Detailangaben
Hauptverfasser:	Urbani, Mark Daniel, Vines, Nicholas John, Johnson, Gary Donald
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	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; andproducing a lithium hydroxide monohydrate product (22) from the lithium hydroxide liquor (7, 11).