JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2017, Vol. 52 ›› Issue (5): 18-24.doi: 10.6040/j.issn.1671-9352.0.2016.577

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Supported ruthenium-based nanostructures toward catalytic oxidation of volatile organic compounds

PANG Jin-ding1,2, LI Jia-qi1,2, FENG Yan1,2, CHEN Yun-fa1, YANG Jun1*   

  1. (1. State Key Laboratory of Multi-Phase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
    2. University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2016-12-09 Online:2017-05-20 Published:2017-05-15

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Abstract: CeO2 and γ-Al2O3-supported core-shell Ag-Ru and hollow Ru nanoparticles are prepared by a seed-mediated growth method and an appropriate post-treatment. The catalytic tests of benzene oxidation show that the core-shell Ag-Ru nanoparticles have better activities than those of hollow Ru nanostructures. In specific, the core-shell Ag-Ru nanoparticles supported on CeO2 substrates have T20 and T90 as low as 153.8 ℃ and 170.4 ℃, respectively. The XPS and H2-TPR analyses confirm that the core-shell Ag-Ru nanoparticles have more metallic Ru component in their particle surface, which may account for the high performance for oxidation of benzene.

Key words: Ru nanoparticles, benzene, catalytic oxidation, core-shell, seed-mediated growth, hollow

CLC Number: 

  • TQ426.6
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