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Hierarchically ZSM-5 zeolite was prepared by alkali treatment. It was used as a support for a series of Co-based catalysts for Fischer–Tropsch synthesis with Fe, Ti, Ga or Zn as promoter. This series of catalysts were named Co/M-ZSM-5 (M = Fe, Ti, Ga or Zn). The catalysts were characterized by SEM, XRD, H2-TPR, and XPS, and the FTS catalytic performance of catalysts were compared. The character date...
Compared with commercial alumina Al2O3-c, alumina nanofibers Al2O3-f can improve the activity and selectivity of the impregnated catalysts due to its better cobalt crystallite distribution. Although enhanced cobalt dispersion was observed in alumina nanofiber supported catalyst, a homogeneous Co particle size distribution was difficult to obtain by the conventional incipient wetness impregnation method...
Three-dimensional mesoporous cellular silica foams (MCFs) were prepared and used as supports for cobalt Fischer–Tropsch synthesis (FTS) catalysts (Co/MCF). The silica foam MCFs have a 3D mesostructure with large spherical cell pores interconnected with small window pores, which provides an open porous network for Co FTS catalysts. The effects of catalyst structure parameters (cell pore diameter and...
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