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http://dx.doi.org/10.12925/jkocs.2010.27.3.7

Recovery of Nickel from Spent Petroleum Catalyst by Hydrometallurgical Process  

Kim, Jong-Hwa (Dept. of Chemical Eng., Changwon University)
Song, Ju-Yeong (Dept. of Chemical Eng., Changwon University)
Yang, Seok-Jin (Dept. of Chemical Eng., Changwon University)
Jeon, Sung-Gyun (Dept. of Fire Safety Management, Yangsan College)
Publication Information
Journal of the Korean Applied Science and Technology / v.27, no.3, 2010 , pp. 273-281 More about this Journal
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.
Keywords
waste catalyst; nickel; hydrometallurgical process; leaching agent; solvent extraction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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