한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제25권3호
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  • Pages.247-254
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  • 2014
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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12wt% Co 담지 촉매에서 합성오일 제조시 조촉매 효과 및 반응조건 영향 분석

The Effect of Promotor and Reaction Condition for FT Oil Synthesis over 12wt% Co-based Catalyst

  • 박연희 (한국가스공사 연구개발원) ;
  • 이지윤 (한국가스공사 연구개발원) ;
  • 정종태 (한국가스공사 연구개발원) ;
  • 이종열 (한국가스공사 연구개발원) ;
  • 조원준 (한국가스공사 연구개발원) ;
  • 백영순 (한국가스공사 연구개발원)
  • 투고 : 2014.04.02
  • 심사 : 2014.06.30
  • 발행 : 2014.06.30
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초록

The synthesis of Fischer-Tropsch oil is the catalytic hydrogenation of CO to give a range of products, which can be used for the production of high-quality diesel fuel, gasoline and linear chemicals. Our cobalt based catalyst was prepared Co/alumina, silica and titania by the incipient wet impregnation of the nitrates of cobalt and promoter with supports. Cobalt catalysts was calcined at $350^{\circ}C$ before being loaded into the FT reactors. After the reduction of catalyst has been carried out under $450^{\circ}C$ for 24hrs, FT reaction of the catalyst has been carried out at GHSV of 4,000/hr under $200^{\circ}C$ and 20atm. From these test results, we have obtained the results as following ; in case of 12wt% Co-supported $Al_2O_3$, $SiO_2$ and $TiO_2$ catalysts, maximum activities of the catalysts were appeared at the promoters of Mn, Mo and Ce respectively. The activity of 12wt% $Co/Al_2O_3$ added a Mn promoter was about 3 times as high as that of 12wt% $Co/Al_2O_3$ catalyst without promoters. When it has been the experiment at the range of reaction temperature of $200{\sim}220^{\circ}C$ and GHSV of 1,546~5,000/hr, the results have shown generally increasing the activities with the increase of reaction temperature and GHSV.

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참고문헌

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