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

다국어 초록 (Multilingual Abstract)

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 basedcatalyst was prepared Co/alumina, silica and titania by the incipient wet impregnation of the nitrates of cobaltand promoter with supports. Cobalt catalysts was calcined at 350°C before being loaded into the FT reactors. Afterthe reduction of catalyst has been carried out under 450°C for 24hrs, FT reaction of the catalyst has been carriedout at GHSV of 4,000/hr under 200°C and 20atm. From these test results, we have obtained the results as following; in case of 12wt% Co-supported Al2O3, SiO2 and TiO2 catalysts, maximum activities of the catalysts were appearedat the promoters of Mn, Mo and Ce respectively. The activity of 12wt% Co/Al2O3 added a Mn promoter wasabout 3 times as high as that of 12wt% Co/Al2O3 catalyst without promoters. When it has been the experimentat the range of reaction temperature of 200~220°C and GHSV of 1,546~5,000/hr, the results have shown generallyincreasing the activities with the increase of reaction temperature and GHSV.

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