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- W1479918985 abstract "Publisher Summary This chapter examines the effect of the zinc (Zn) content and the reduction temperature on the characteristics and catalytic properties of bimetallic platinum (Pt)–Zn catalysts supported on zeolite NaX. Catalysts have been characterized by temperature-programmed reduction (TPR), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). Their catalytic behavior in the vapor phase hydrogenation of crotonaldehyde (2-butenal) is studied after reduction a 632 and 773 K. The presence of zinc causes a drastic decrease in catalytic activity, although the selectivity toward the hydrogenation of the C=O bond is improved. Higher reduction temperature also improves the catalytic selectivity. The formation of Pt–Zn alloyed phases upon reduction can explain this catalytic behavior, although the contribution of a steric effect due to constraints creation in the pores of the zeolite support cannot be discarded." @default.
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- W1479918985 date "2001-01-01" @default.
- W1479918985 modified "2023-10-18" @default.
- W1479918985 title "29-P-15-Preparation and characterization of bimetalic Pt-Zn atalysts supported on zeolite NaX" @default.
- W1479918985 doi "https://doi.org/10.1016/s0167-2991(01)81710-9" @default.
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