ELECTROLYTIC REFINING METHOD FOR NEODYMIUM COMPOUND AND PREPARATION METHOD FOR NEODYMIUM COMPOUND GRANULE USED THEREFOR

Provided is a method for electrowinning neodymium compound, the method including: providing a fluoride-based electrolyte through an opening defined in an electrolytic bath including a cathode and an anode; providing granules, each including a neodymium compound and having at least one cavity defined...

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Bibliographic Details
Main Authors RI, Vladislav, WOO, Hwa Young, KIM, Jeong Mo, SONG, Ju Hwan, RYU, Hong Youl
Format Patent
LanguageEnglish
French
German
Published 11.10.2023
Subjects
APPARATUS THEREFOR
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
INORGANIC CHEMISTRY
METALLURGY
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
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Summary:Provided is a method for electrowinning neodymium compound, the method including: providing a fluoride-based electrolyte through an opening defined in an electrolytic bath including a cathode and an anode; providing granules, each including a neodymium compound and having at least one cavity defined therein, through the opening defined in the electrolytic bath; dissolving at least a portion of the granule in a molten salt of the fluoride-based electrolyte; and reducing neodymium at the cathode, wherein the cavity is defined inside or on the surface of the granule, and the apparent density of the granules is lower than the density of the molten salt. The method has excellent process
Bibliography:Application Number: EP20220867670