NDLI: Y-doped ceria-supported gold and palladium mono-and bimetallic catalysts for complete propene oxidation

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Y-doped ceria-supported gold and palladium mono-and bimetallic catalysts for complete propene oxidation

Content Provider	Semantic Scholar
Author	Petrova, Petranka Pantaleo, Giuseppe Venezia, Anna Maria Liotta, Leonarda Francesca Kaszkur, Zbigniew Tabakova, Tatyana Ilieva, Liliya
Copyright Year	2018
Abstract	Monometallic Au and Pd as well as bimetallic Pd-Au particles deposited on Y-doped ceria supports were studied in complete propene oxidation (CPO), which was used as a probe reaction for aliphatic hydrocarbons abatement. Ymodified ceria supports (1 wt.% Y2O3) were prepared by impregnation and coprecipitation. Gold (3 wt.% Au) and palladium (1 wt.% Pd) containing samples were prepared by deposition-precipitation method. Bimetallic Pd-Au catalysts were prepared by adding palladium to already deposited gold. Catalyst samples were characterized by BET, XRD, TPR, and XPS techniques. In general, the catalytic activity in CPO did not differ significantly in the presence of Y dopant and because of synthesis method of mixed oxide support. Total propene conversion over gold catalysts was reached at 220 °C. Pd-based catalysts demonstrated a higher oxidation activity in comparison with Au-based samples showing 100% propene conversion at 200 °C. The lowest temperature of total propene oxidation of 180 °C was achieved over the bimetallic Pd-Au catalysts and long-term catalytic performance showed good stability with no loss of catalytic activity.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.bcc.bas.bg/BCC_Volumes/Volume_50_Special_H_2018/BCC50_SI-H_9-16.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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