Furfural Hydrogenation over Amorphous Alloy Catalysts Prepared by Different Reducing Agents

Haijun Guo, Hairong Zhang, Weichao Tang, Can Wang, Peili Chen, Xinde Chen, Xingping Ouyang


The catalytic hydrogenation of furfural was studied over a series of Ni-B, Co-B, and Ni-Co-B amorphous alloy catalysts that were prepared by the chemical reduction method using KBH4 and NaBH4 as reducing agents. These catalysts were characterized by N2 adsorption/desorption, XRD, XPS, FE-SEM, and TEM. The results showed that NaBH4 had a much stronger reduction ability to enhance the surface concentration of the metallic active sites for furfural hydrogenation and electron transfer capability, leading to much higher hydrogenation activity. In the Ni-Co-B amorphous alloy catalyst, the equilibrium between the isolated Ni-B/Co-B active sites and the combined Ni-Co-B active sites was important in regulating furfural conversion and products distribution.


Furfural hydrogenation; Ni-Co-B amorphous alloy; Reducing agent; Synergistic effect; Electron transfer capability

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