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초록
AI-Helper 아이콘AI-Helper

용매추출에 의한 코발트 분리 기술에 대해 리뷰하였고 특히 다양한 시약을 사용한 코발트의 분리 및 상용 추출용제를 사용하여 스크랩으로부터의 코발트 회수기술에 대하여 분석하였다. 코발트 분리 능력은 phosphinic > phosphonic > phosphoric acid 순으로 정리되며, 이것은 유기상내에 추출용제와 존재하는 코발트의 사면체 배위 화합물의 안정성이 증가하기 때문이다. 용매의 조성에 따라 달라지지만 주로 Cyanex 272, D2EPHA 및 PC 88A와 같은 상용 추출용제 등이 상용 추출 공정에서 우선적으로 사용되어야 하며, 다양한 조합을 효과적으로 관리한다면 코발트 함유 스크랩과 관련한 다양한 분리기술 문제점들을 해결할 수 있을 것이다.

Abstract AI-Helper 아이콘AI-Helper

Extraction/separation of cobalt by solvent extraction is reviewed. Separation of cobalt using various reagents and also cobalt recovery from scrap using commercial extractant were analyzed. The separation ability for cobalt followed the order of phosphinic > phosphonic > phosphoric acid due to the i...

주제어

AI 본문요약
AI-Helper 아이콘 AI-Helper

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제안 방법

  • 0 M hydrochloric solutions. From the experimental study, the behaviors of impurities in each of operation steps in extraction, scrubbing and stripping processes were investigated. Gupta et al.
  • The number of stages required for the extraction and stripping processes was also evaluated[34]. The author also studied simultaneously SX of cobalt (II) and nickel (II) from magnesium and calcium synthetic sulfate solution using the carboxylic extractant Versatic 10[35]. Then the two metals were separated by extraction of cobalt using Cyanex 272.
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