METHOD FOR SEPARATING LITHIUM

Provided is a method for separating lithium from a lithium solution containing lithium by 200 mg/L or more and fluorine by 20 mg/L or more, the method including: adding carbon dioxide to the lithium solution to obtain a solution in which carbonate ions are dissolved; and warming the solution to prec...

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Bibliographische Detailangaben
Hauptverfasser:	Honma, Yoshihiro, Watanabe, Ryoei, Nishikawa, Chihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY DISPOSAL OF SOLID WASTE ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a method for separating lithium from a lithium solution containing lithium by 200 mg/L or more and fluorine by 20 mg/L or more, the method including: adding carbon dioxide to the lithium solution to obtain a solution in which carbonate ions are dissolved; and warming the solution to precipitate lithium carbonate, followed by solid-liquid separation, to separate the lithium, wherein a pH of the lithium solution is 10.5 or higher.