Leaching method of rare-earth metals using hydrochloric acid from manganese nodule

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The present invention relates to a leaching method of rare-earth metals from manganese nodule using hydrochloric acid solution and, more specifically, to a leaching method of rare-earth metals from manganese nodule using hydrochloric acid solution to leach rare-earth metals contained in the manganese nodule by stirring and heating the manganese nodule with the hydrochloric acid solution after mixing the same.COPYRIGHT KIPO 2014