화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.20, No.5, 967-972, September, 2003
DOI10.1007/BF02697307  Export Citation
Promotion of CO2 Hydrogenation to Hydrocarbons in Three-Phase Catalytic (Fe-Cu-K-Al) Slurry Reactors
Jun-Sik Kim, Sang-Bong Lee, Min-Chul Kang1, Kyu-Wan Lee, Myoung-Jae Choi, and Yong Kang2, †
  • Dept. of ENR, Korea Research Institute of Chemical Technology, Daejeon 305-600, Korea
  • 1Dept. R&D, Korea Energy Management Corporation, Yongin, Kyongki 449-994, Korea
  • 2Dept. of Chem. Eng., Chungnam National University, Daejeon 305-764, Korea
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A three-phase slurry reactor has been employed to increase the CO2 conversion and decrease the selectivity of CO in the direct hydrogenation of CO2 to hydrocarbons, as it is beneficial for removal of the heat generated due to highly exothermic nature of the reaction. Experiments were conducted over iron-based catalysts (Fe-Cu-K-Al, dp=45-75 mm) in a slurry reactor. It was found that the slurry reactor is preferable to the fixed bed reactor. The productivity and selectivity of hydrocarbons in the slurry reactor appeared to be better than that in the fixed bed reactor for the hydrogenation of CO2. The CO2 conversion was increased with increasing reaction temperature (275-300 ℃), pressure (1-2.5 MPa) or H2/CO2 ratio (2-5) in the three-phase slurry reactor. The CO2 conversion was increased with increasing the amount of CO2 fed.
Keywords:Carbon Dioxide;Catalyst;Hydrogenation;Three-Phase Slurry Reactor
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