Acta Phys. -Chim. Sin. ›› 2011, Vol. 27 ›› Issue (04): 953-958.doi: 10.3866/PKU.WHXB20110342

• CATALYSIS AND SURFACE SCIENCE • Previous Articles     Next Articles

Preparation and Characterization of NiB Amorphous Alloy Modified Using Chitosan

WU Mei-Xia1,2, LI Wei1, ZHANG Ming-Hui1, TAO Ke-Yi1   

  1. 1. Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Tianjin 300071, P. R. China;
    2. Department of Chemistry, Shanxi Datong University, Datong 037009, Shanxi Province, P. R. China
  • Received:2010-11-11 Revised:2011-01-02 Published:2011-03-29
  • Contact: WU Mei-Xia, LI Wei E-mail:weili@nankai.edu.cn; wmxiccas@iccas.ac.cn
  • Supported by:

    The project was supported by the National Natural Science Foundation of China (21073098), Research Found for the Doctoral Program of Higher Education, China (20090031110015), and Program for New Century Excellent Talents in University, China (NCET-10-0481).

Abstract:

NiB amorphous alloy catalyst (NiB-CS) was prepared by direct reduction using the chemical- reduction method with chitosan as a stabilizer. The amorphous structure, atomic composition, and particle size of the as-prepared catalysts were characterized by X-ray diffraction (XRD), inductively coupled plasma spectrometry (ICP), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and selected area electron diffraction (SAED). The catalytic behavior during the hydrogenation of furfuryl alcohol (FA) to tetrafurfural alcohol (THFA) was studied and compared with the NiB catalyst prepared without chitosan. The amorphous NiB-CS catalyst was found to be more reactive than the NiB catalyst. The superior catalytic activity of the NiB-CS catalyst is attributed to the small NiB particles and the high surface content of Ni active species.

Key words: Hydrogenation, Chitosan, Amorphous alloy, NiB-CS

MSC2000: 

  • O643