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Chemistry and Industry of Forest Products ›› 2016, Vol. 36 ›› Issue (6): 81-86.doi: 10.3969/j.issn.0253-2417.2016.06.013

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Preparation of Ruthenium Nanoparticles Catalyst in [BMIM]BF4 and Catalytic Hydrogenation of α-Pinene

WANG Xiao-yan1, YU Shi-tao2, HOU Sheng-li1, CHEN Xiang-yun1, XIE Cong-xia1   

  1. 1. College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
    2. College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
  • Received:2016-02-03 Online:2016-12-25 Published:2016-12-23

Abstract: The mixture of RuCl3·3H2O and 1-butyl-3-methyl limidizaolium tetrafluoro-borate[BMIM] BF4 with the molar ratio of 100:1 was stirred for 2 h at 60℃ and then the reactor was pressurized by 4.0 MPa H2 and placed in a 40℃ water bath with stirring for 3 h. Then, the ruthenium nanoparticles catalysts stabilized by[BMIM] BF4 were obtained. The catalysts were characterized by X-ray diffraction(XRD) and transmission electron microscopy(TEM). The results indicated that the crystal structure of Ru nanoparticles prepared in[BMIM] BF4 was face-centered cubic stacking structure and the nanoparticles were uniformly distributed with the average diameter of (2.5±0.6) nm. The catalysts were applied in the hydrogenation of α-pinene with H2O as reaction medium. Under the suitable conditions of α-pinene/Ru molar ratio 400:1, 4 mL H2O, 90℃, 3.0 MPa and 1.5 h, the conversion rate of α-pinene reached 99%, and the selectivity of cis-pinane was 98.9%.

Key words: [BMIM]BF4, Ru nanoparticles, α-pinene, catalytic hydrogenation

CLC Number: