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

  • 제26권4호
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  • Pages.339-346
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  • 2015
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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 FT 촉매 제조시 유기용매가 촉매활성에 미치는 영향연구

The Effect of Organic Solvents on the Activity for the Synthesis of 12wt% Co-based FT Catalyst

  • 이지윤 (테라믹스 연구개발부) ;
  • 한자령 (한국가스공사 연구개발원) ;
  • 정종태 (한국가스공사 연구개발원) ;
  • 백영순 (수원대학교 환경에너지공학과)
  • 투고 : 2015.07.31
  • 심사 : 2015.08.30
  • 발행 : 2015.08.30
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초록

The synthesis of Fischer-Tropsch (FT) 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. This studied catalyst was prepared Cobalt-supported alumina and silica by the incipient wet impregnation of the nitrates of cobalt, promoter and organic solvent with supports. Cobalt catalysts were 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 24h, FT reaction of the catalyst has been carried out at GHSV of 4,000/hr under $200^{\circ}C$ and 20atm. From these experimental results, we have obtained the results as following; In case of $SiO_2$ catalysts, the activity of 12wt% $Cobalt-SiO_2$ synthesized by organic solvent was about 2 or 3 times higher than the activity of 12wt% $Cobalt-SiO_2$ catalyst synthesized without organic solvent. In particular, the activity of the $Cobalt-SiO_2$ catalyst prepared in the presence of an organic solvent P was two to three times higher than that of the $Cobalt-SiO_2$ catalyst prepared without the organic solvent. Effect of Cr and Cu metal as a promoter was found little. 200 h long-term activity test was performed with a $Co/SiO_2$ catalyst prepared in the presence of an organic solvent of Glyoxal solution.

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참고문헌

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