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NTIS 바로가기청정기술 = Clean technology, v.28 no.2, 2022년, pp.103 - 109
김대원 (고등기술연구원 신소재공정센터) , 김희선 (고등기술연구원 신소재공정센터) , 김보람 (고등기술연구원 신소재공정센터) , 진연호 (고등기술연구원 신소재공정센터)
Nd-Fe-B waste permanent magnet contains about 20~30% rare earth elements and about 60~70% iron elements, and the rare earth and iron components were recovered through sulfuric acid leaching and fractional crystallization. Oxidation roasting was not performed for separation and recover of the rare ea...
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