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Construction of HfO2 nanoparticles with rich hydroxyl group for the efficient catalytic transfer hydrogenation of furfural

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  • Chen, Feiyi
  • Wang, Yue
  • Zhang, Junhua
  • Liu, Huai
  • Peng, Lincai

Abstract

Although metal oxide has unique advantages in catalytic transfer hydrogenation (CTH) of furfural (FAL) into furfuryl alcohol (FOL), the excessive stability of the metal site and oxygen coordination leads to the inert Lewis acid site in the oxide, which affects the catalytic activity and limits its broader application. It is known that the hydroxyl group on the oxide surface can promote the adsorption of isopropanol in an alkoxide species by assisting its deprotonation, thereby activating the metal site and enhance the overall reaction activity. However, constructing metal oxide with rich hydroxyl groups is always challenging. This contribution prepared a series of HfO2 nanoparticles (NPs) with rich hydroxyl groups through hydrothermal methods. Systematic characterizations proved the presence of hydroxyl groups on the surface of HfO2 NPs, which promoted its adsorption capacity for isopropanol (hydrogen donor and reaction solvent) and substrate (FAL), thus accelerating the subsequent reaction for CTH of FAL into FOL. As a result, a 100% of FAL conversion with 95.2% of FOL yield was obtained at 160 °C in 4 h, which has significant advantages over commercial and other literature reported oxides. This finding provides a new idea for designing of efficient metal oxides for the CTH reaction by enhancing the hydroxyl group.

Suggested Citation

  • Chen, Feiyi & Wang, Yue & Zhang, Junhua & Liu, Huai & Peng, Lincai, 2023. "Construction of HfO2 nanoparticles with rich hydroxyl group for the efficient catalytic transfer hydrogenation of furfural," Renewable Energy, Elsevier, vol. 215(C).
    • Handle: RePEc:eee:renene:v:215:y:2023:i:c:s0960148123008224
    DOI: 10.1016/j.renene.2023.118916
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    References listed on IDEAS

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    1. Zhang, Linye & Xin, Zongwu & Liu, Zihan & Wei, Guangtao & Li, Zhongmin & Ou, Yuning, 2020. "Mechanistic study of the catalytic transfer hydrogenation of biodiesel catalyzed by Raney-Ni under microwave heating," Renewable Energy, Elsevier, vol. 147(P1), pages 695-704.
    2. Cheng, Yuan & Liu, Yao & Zhang, Junhua & Huang, Rulu & Wang, Yue & Cao, Shuwan & He, Liang & Peng, Lincai, 2022. "Acetic acid-regulated mesoporous zirconium-furandicarboxylate hybrid with high lewis acidity and lewis basicity for efficient conversion of furfural to furfuryl alcohol," Renewable Energy, Elsevier, vol. 184(C), pages 115-123.
    3. Ostovar, Somayeh & Saravani, Hamideh & Rodríguez-Padrón, Daily, 2021. "Versatile functionalized mesoporous Zr/SBA-15 for catalytic transfer hydrogenation and oxidation reactions," Renewable Energy, Elsevier, vol. 178(C), pages 1070-1083.
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