Which is better for converting furfural into furfuryl alcohol: The strong metal-support interaction effect or the formation of alloy?

Furfural, one of biomass raw materials, can be seen as a clean alternative energy to fossil energy. Cu-based catalysts have been studied mostly due to the excellent selectivity to furfuryl alcohol. While keeping the stability of Cu-based catalysts under high temperature is still a challenge. Thus, a...

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Veröffentlicht in:Applied catalysis. A, General General, 2024-03, Vol.673, p.119609, Article 119609
Hauptverfasser: Ren, Wenqiang, Tian, Jiamin, Wang, Zhiqiang, Zhang, Minghui
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Sprache:eng
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Zusammenfassung:Furfural, one of biomass raw materials, can be seen as a clean alternative energy to fossil energy. Cu-based catalysts have been studied mostly due to the excellent selectivity to furfuryl alcohol. While keeping the stability of Cu-based catalysts under high temperature is still a challenge. Thus, a more active and stable Ni-based catalyst is researched. While the high yield of furfuryl alcohol was difficult to obtained over Ni catalysts. A catalyst (5 % Ni/Ce0.9Sn0.1O2) that combines stability and selectivity was prepared with enhanced activity which was different with the NiSn alloy. Combined with the characterizations of XRD, XPS, TEM, CO-TPD and H2-TPR, it has been proven that the enhanced strong interaction between Ni and Ce0.9Sn0.1O2 is much more effective in forming furfuryl alcohol than the effect of the Ni3Sn4 alloy. [Display omitted] •Sn modified CeO2 was prepared and used to support Ni catalyst.•Ni/Ce0.9Sn0.1O2 showed excellent performance in hydrogenation of furfural.•Ni/Ce0.9Sn0.1O2 catalyst showed high stability in the flow test.•The high conversion was attributed to the strong interaction between Ni and Ce0.9Sn0.1O2.
ISSN:0926-860X
1873-3875
DOI:10.1016/j.apcata.2024.119609