Regeneration of Spent Nickel Catalyst for Hydrogenation

수소화 반응용 니켈 폐촉매의 재생

  • 전종기 (동양대학교 생명화학공학부) ;
  • 박영권 (서울시립대학교 환경공학) ;
  • 김주식 (서울시립대학교 환경공학부)
  • Published : 2004.06.01

Abstract

Nickel oxide was recovered through roasting of a spent catalyst for hydrogenation reaction. Nickel on Kieselguhr catalysts were prepared by a precipitation method after a treatment of the recovered-nickel oxide with an acid. Effects of roasting temperature of the spent catalyst on recovery of nickel oxide was investigated. Most of nickel oxide could be recovered through roasting of the spent catalyst at $1000^{\circ}C$. In regeneration of catalysts by the precipitation method after the treatment of nickel oxide with an acid, the effect of promoter, precipitation condition and reduction condition on catalytic performance in vegetable oil hydrogenation were investigated. The addition of CaO or $Ce_2$$O_3$ resulted in an increase of catalytic activity.

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