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NTIS 바로가기資源리싸이클링 = Journal of the Korean Institute of Resources Recycling, v.29 no.5, 2020년, pp.73 - 80
르민난 (목포대학교 공과대학 신소재공학과) , 이만승 (목포대학교 공과대학 신소재공학과)
폐리튬이온전지에 함유된 유가금속을 회수하기 위한 공정을 개발하기 위해 리튬(I), 망간(II), 니켈(II)을 함유한 합성 염산용액에서 구리(II)와 코발트(II)의 분리를 위한 용매추출실험을 수행했다. 본 연구에서는 Alamine 336과 Aliquat 336을 추출제로 사용했으며 염산과 추출제의 농도에 따른 금속의 추출거동을 조사했다. 염산농도가 금속의 추출거동에 큰 영향을 미치는 것이 확인되었다. 염산농도가 1 M인 조건에서는 구리(II)만 추출되었으나, 염산농도 5 M 이상의 조건에서는 구리(II)와 코발트(II)가 선택적으로 추출되고 리튬(I), 망간(II), 니켈(II)은 추출여액에 남았다. 염산농도를 조절하면 구리(II)와 코발트(II)를 선택적으로 추출하는 것이 가능하다.
In order to develop a process for the recovery of valuable metals from spent LiBs, solvent extraction experiments were performed to separate Cu(II) and/or Co(II) from synthetic hydrochloric acid solutions containing Li(I), Mn(II), and Ni(II). Commercial amines (Alamine 336 and Aliquat 336) were empl...
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