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Catalytic behaviors of Co-Mn/TiO2 catalysts for Fischer-Tropsch synthesis

Mostafa Feyzi ,  Ali A Mirzaei

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引用本文: Mostafa Feyzi, Ali A Mirzaei. Catalytic behaviors of Co-Mn/TiO2 catalysts for Fischer-Tropsch synthesis[J]. 燃料化学学报, 2012, 40(12): 1435-1443. shu
Citation:  Mostafa Feyzi, Ali A Mirzaei. Catalytic behaviors of Co-Mn/TiO2 catalysts for Fischer-Tropsch synthesis[J]. Journal of Fuel Chemistry and Technology, 2012, 40(12): 1435-1443. shu

Catalytic behaviors of Co-Mn/TiO2 catalysts for Fischer-Tropsch synthesis

    通讯作者: Mostafa Feyzi: Tel & fax: +98-831-4274559, E-mail: Dalahoo2011@yahoo.com.
摘要: The 15%(Co-Mn)/TiO2,(Co/Mn=1/6) catalyst was prepared using fusion procedure and studied for the conversion of synthesis gas to C2~4 olefins. The effects of calcination conditions and operation conditions such as the H2/CO molar feed ratio at different temperatures, gas hourly space velocity (GHSV) and total reaction pressure on the catalytic performance of catalyst were investigated. The stability of the catalyst during 150 h at optimal operation conditions (t=250 ℃ H2/CO=2/1, GHSV=1 500 h-1 and p=0.3 MPa) has been investigated. It is found that this catalyst is high stable for production C2~4 olefins. Characterizations of both precursors and calcined catalysts by powder X-ray diffraction, scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) specific surface area measurement and thermal analysis methods such as thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC) show that the different preparation method influences the catalyst precursor structure and morphology.

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  • 收稿日期:  2012-07-18
  • 网络出版日期:  2012-09-05
通讯作者: 陈斌, bchen63@163.com
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