METHOD OF RECOVERING RARE EARTH ELEMENT USING MICROORGANISMS

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PROBLEM TO BE SOLVED : To provide a method of recovering a rare earth element from a treatment object comprising a rare earth element and an iron group element. SOLUTION : A method of recovering a rare earth element has an elution step for allowing a rare earth element to be eluted from a treatment object comprising a rare earth element and an iron group element in liquid comprising acid-producing microorganisms. SELECTED DRAWING : None COPYRIGHT : (C)2017, JPO&INPIT