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The noble metal (Ru, Rh, Pd, Pt)/Co3O4 system was studied by electrical conductivity measurements combined with temperature-programmed reduction (TPR). The results indicate that noble metals decrease the activation energy of Co3O4 and improve the reduction of Co3O4 due to hydrogen spillover. The promotional effect of Pt on the reduction of Co3O4 is most significant among the examined noble metals...
A series of noble metal (Pt, Ru or Pd) promoted Co/Al2O3 catalysts were prepared by sequential impregnation method. The catalysts were characterized by XRD, TPR, H2-TPD and TPSR techniques, and their catalytic performance in Fischer–Tropsch synthesis was investigated in a fixed-bed reactor. The results of activity measurements show that the addition of small amounts of noble metal greatly improved...
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