화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.25, No.6, 1316-1321, November, 2008
DOI10.1007/s11814-008-0215-y  Export Citation
Effect of reaction conditions on the catalytic performance of Co9Fe3Bi1Mo12O51 in the oxidative dehydrogenation of n-butene to 1,3-butadiene
Ji Chul Jung, Howon Lee, Sunyoung Park, Young-Min Chung1, Tae Jin Kim1, Seong Jun Lee1, Seung-Hoon Oh1, Yong Seung Kim1, and In Kyu Song†
  • School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Shinlim-dong,Gwanak-gu, Seoul 151-744, Korea
  • 1SK Energy Corporation, Yuseong-gu, Daejeon 305-712, Korea
E-mail:
Oxidative dehydrogenation of n-butene to 1,3-butadiene over Co9Fe3Bi1Mo12O51 catalyst was conducted in a continuous flow fixed-bed reactor. The effect of reaction conditions (steam/n-butene ratio, reaction temperature, and space velocity) on the catalytic performance of Co9Fe3Bi1Mo12O51 was investigated. Steam played an important role in decreasing contact time, suppressing total oxidation of n-butene, and removing coke during the reaction. Yield for 1,3-butadiene showed a volcano-shaped curve with respect to steam/n-butene ratio. The compensation between thermodynamic effect and kinetic effect led to a volcano-shaped curve of 1,3-butadiene yield with respect to reaction temperature. The Co9Fe3Bi1Mo12O51 catalyst showed the best catalytic performance at a certain value of space velocity. The optimum steam/n-butene ratio, reaction temperature, and gas hourly space velocity were found to be 15, 420 ℃, and 675 h^(-1), respectively.
Keywords:Multicomponent Bismuth Molybdate;Reaction Condition;n-Butene;1,3-Butadiene;Oxidative Dehydrogenation
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