Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Recovery of Nickel from Spent Petroleum Catalyst by Hydrometallurgical Process

습식제련공정에 의한 석유화학 폐촉매로부터 니켈의 회수

  • 김종화 (창원대학교 공과대학 화공시스템공학과) ;
  • 송주영 (창원대학교 공과대학 화공시스템공학과) ;
  • 양석진 (창원대학교 공과대학 화공시스템공학과) ;
  • 전성균 (양산대학 소방안전관리과)
  • Received : 2010.06.07
  • Accepted : 2010.09.24
  • Published : 2010.09.30
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Abstract

Nickel recovery method was studied by the wet process from the catalyst used in hydrogenation process. Nickel content in waste catalyst was about 16%. At the waste catalyst leaching system by the alkaline solution, selective leaching of nickel was possible by amine complex formation reaction from ammonia water and ammonium chloride mixed leachate. The best leaching condition of nickel from mixed leachate was acquired at the condition of pH 8. LIX65N as chelating solvent extractant was used to recover nickel from alkaline leachate. The purity of recovered nickel was higher than 99.5%, and the whole quantity of nickel was recovered from amine complex.

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References

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