COBALT SUPPORTED CATALYSTS FOR FISCHER-TROPSCH SYNTHESIS

摘要

The present invention relates to a method of fabricating a supported cobalt catalyst fabricated by carrying a cobalt precursor in a Al_2O_3-SiC support as a catalyst used for a Fisher-Tropsch synthesis (FTS) which produces a liquid hydrocarbon from a synthetic gas and, more specifically, to a method of fabricating a supported cobalt catalyst for an FTS including: preprocessing a silicon carbide (SiC) with an alkoxysilane compound in advance to form mesoporous pores in the silicon carbide; and then carrying a cobalt as an active ingredient on an Al_2O_3-SiC support produced by coating the silicon carbide with an alumina (Al_2O_3) by a sol-gel process. According to the present invention, since a specific surface area of an Al_2O_3-SiC support is increased significantly, the effects of the dispersibility of the cobalt as an active ingredient is increased, and selectivity of a hydrocarbon compound C5+ improved.