SYSTEM FOR RECOVERING LITHIUM OF WASTE CATHODE MATERIAL

Disclosed is a system for recovering lithium of a waste cathode material, including: a heat-treating unit configured to heat-treat a waste cathode material to convert into soluble and insoluble materials; a water-leaching unit configured to leach the heat-treated waste cathode material with water to...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, Jin Woon, SHIN, Kwang Hee, YOU, Jang Yong, JO, Ho Yong
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Disclosed is a system for recovering lithium of a waste cathode material, including: a heat-treating unit configured to heat-treat a waste cathode material to convert into soluble and insoluble materials; a water-leaching unit configured to leach the heat-treated waste cathode material with water to separate into an insoluble material and a water-leached solution comprising a lithium ion and a carbonate ion; and an reverse osmosis (RO) concentration unit configured to concentrate the water-leached solution using reverse osmosis, and a concentration of a lithium ion in the water-leached solution which is separated from the water-leaching unit may be 2,000 ppm or less.