Abstract
Catalytic and adsorption properties of (Pt + Fe)SiO2 catalysts prepared by coimpregnation of SiO2 with FeCl3 and H2PtCl6 aqueous solutions have been studied. According to the X-ray diffraction data, FePt particles of the size 5–36 nm and bcc or fcc crystal lattice are formed during the reduction of catalysts by flowing hydrogen. Bimetallic catalysts exhibit higher specific activity for the reaction of CO hydrogenation than do monometallic samples. The enhanced activity of FePt particles manifests itself mainly through increased formation of C4+ olefins. These observations suggest that the effect of Pt addition on the catalytic properties of silica-supported iron in CO hydrogenation is similar to the effect of potassium addition.
Published Version
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