자원리싸이클링 (Resources Recycling)

  • 제27권5호
  • /
  • Pages.23-29
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  • 2018
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  • 2765-3439(pISSN)
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  • 2765-3447(eISSN)
한국자원리싸이클링학회 (The Korean Institute of Resources Recycling)
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니켈 MHP로부터 제조된 염화니켈을 이용한 탄산니켈 제조연구

Study on the Preparation of Nickel Cabonate Using Nickel Chloride Prepared from Nickel MHP

  • Kang, Yong-Ho (Research & Development Center, Incheon Chemical Ltd.) ;
  • Shin, Gi-Wung (Research & Development Center, Incheon Chemical Ltd.) ;
  • Hyun, Soong-Keun (Department of Materials Process Engineering Inha University)
  • 투고 : 2018.06.21
  • 심사 : 2018.08.20
  • 발행 : 2018.10.31
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초록

일반적으로 탄산니켈을 제조하기 위한 원료로 $NiSO_4$ 및 $NiCl_2$가 사용되었다. 제조된 탄산니켈의 경우 표면 및 내부에 있어 $Na_2SO_4$ 및 NaCl이 생성되어 탄산니켈의 순도를 감소시키는 원인이 되고 있으며, 이러한 불순물의 제거정도에 따라 고순도 탄산니켈을 제조할 수 있다. 본 연구에서는 니켈MHP 용매추출 공정으로 제조된 $NiCl_2$를 이용하여 탄산니켈제조 연구를 진행하였다. 실험은 니켈염과 탄산염 당량비에 따른 제조, 탄산니켈 수세에 따른 탄산니켈 내 Na 및 Cl 감소 및 수세용수의 온도에 따른 Na 및 Cl의 감소에 대한 조건을 실험하여 고순도 탄산니켈을 제조할 수 있었다.

Generally $NiSO_4$ and $NiCl_2$ were used as raw materials for producing nickel carbonate. In the case of the produced nickel carbonate, $Na_2SO_4$ and NaCl are generated on the surface and inside of the nickel carbonate to decrease the purity of the nickel carbonate. High purity nickel carbonate can be produced according to the degree of removal of such impurities. In this study, $NiCl_2$ produced by nickel MHP solvent extraction process was used to study the production of nickel carbonate. High purity nickel carbonate was prepared by the conditions according to the nickel salt and carbonate equivalence ratio, the reduction of Na and Cl in nickel carbonate according to the washing of nickel carbonate, and the reduction of Na and Cl according to the washing water temperature.

키워드

참고문헌

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