Chinese Journal of Applied Chemistry ›› 2023, Vol. 40 ›› Issue (6): 879-887.DOI: 10.19894/j.issn.1000-0518.220396

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Selective Oxidation of 5-Hydroxymethylfurfural to 2,5-Furandicarboxylic Acid over Ru Supported on Magnetic NiFe2O4

Yu-Wen YANG1, Jing-Yao QI2, Lin LI3, Guo-Ning CHU1, Sai WANG1, Yu ZHANG1, Shuang ZHANG1()   

  1. 1.Institute of Petrochemical Technology,Jilin Institute of Chemical Technology,Jilin 132022,China
    1.Jilin Petrochemical Company Organic Synthesis Plant,Jilin 132021,China
    3.BASF PJPC Neopentylglycol Company Limited,Jilin 132021,China
  • Received:2022-12-09 Accepted:2023-03-27 Published:2023-06-01 Online:2023-06-27
  • Contact: Shuang ZHANG
  • About author:zs3062332@126.com
  • Supported by:
    the Natural Science Foundation of Jilin Provincial Science and Technology Department(YDZJ202101ZYTS163);Jilin Institute of Chemical Technology Doctoral Launch Fund(2020006);the Science and Technology Research Project of Jilin University of Chemical Technology(202020)

Abstract:

The magnetic nickel-iron spinel carrier NiFe2O4 is prepared by hydrothermal calcination, and then Ru/NiFe2O4 is prepared by impregnation reduction method by loading Ru nanoparticles on the carriers. The catalyst is characterized by X-ray diffraction (XRD),N2 adsorption-desorption (BET), NH3 programmed temperature desorption (NH3-TPD),H2 programmed temperature reduction (H2-TPR), X-ray photoelectron spectroscopy (XPS) and inductively coupled plasma optical-emission spectrometry (ICP-OES). The results show that the surface oxygen species of Ru/NiFe2O4 catalyst are abundant,and compared with the carriers, the specific surface area and acid amount of the catalyst increases after loading Ru, and Ru interacts with the support, which may be the key to the high activity and stability of the catalyst. The catalyst is used for the selective oxidation of 5-hydroxymethylfurfural (HMF), and the experimental results show that the catalytic activity of the catalyst is significantly increased after loading Ru. The reaction conditions are optimized, when 0.08 g of KHCO3 is added, the oxidant O2 pressure is 1 MPa, the reaction temperature is 80 ℃,and 0.1 g of Ru/NiFe2O4 catalyst is used,HMF could be completely converted in water solution for 12 h,and the yield of 2,5-furandicarboxylic acid (FDCA) is 98.1%. Ru/NiFe2O4 can still maintain high activity after 5 cycles,and the active component Ru on the catalyst is not easy to leach. The catalyst has magnetic performance, which is convenient for separation from the reaction solution. The research provides valuable reference for the future industrialization of the highly efficient selective oxidation of HMF to synthesize FDCA.

Key words: Ru nanoparticles, NiFe2O4, Catalytic oxidation, 5-Hydroxymethylfurfural, 2, 5-Furandicarboxylic acid

CLC Number: