Abstract
Adding Fe to Pt/SiO2 catalysts improves activity for methanol synthesis from 3H2/CO at 523 K and 3.19 MPa. Over 90% methanol selectivity can be achieved at low conversion, depending on the metal composition and dispersion.In situ Mössbauer measurements after reduction in hydrogen at 673 K and during steady-state reaction show the presence of PtFe alloy and Fe3+ phases only. The amount of PtFe alloy increases as catalysts activate to produce methanol with higher activity and selectivity.
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Woo, H.S., Fleisch, T.H., Foley, H.C. et al. Methanol selectivity of silica-supported PtFe. Catal Lett 4, 93–99 (1990). https://doi.org/10.1007/BF00764875
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DOI: https://doi.org/10.1007/BF00764875