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Direct Synthesis of Ruthenium-Containing Ordered Mesoporous Carbon with Tunable Embedding Degrees by Using a Boric Acid-Assisted Approach

Authors

  • Guojun Lan,

    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
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  • Dr. Haodong Tang,

    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
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  • Yaping Zhou,

    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
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  • Dr. Wenfeng Han,

    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
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  • Prof. Huazhang Liu,

    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
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  • Prof. Dr. Xiaonian Li,

    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
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  • Prof. Dr. Ying Li

    Corresponding author
    1. Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259
    • Institute of Industrial Catalysis, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014 (P.R. China), Fax: (+86) 0571-88320259

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Abstract

Uniform ruthenium nanoparticles (1–2 nm) confined in ordered mesoporous carbon (Ru-OMC) with various embedding degrees have been fabricated by using a boric acid-assisted hard template method. The catalytic performance of Ru-OMC catalysts was determined through the hydrogenation of toluene at 110 °C and 4.0 MPa. The effects of pore size and embedding degree on the catalytic performance were studied and compared with those of OMC-supported ruthenium (Ru/OMC) catalysts with various pore sizes. The catalytic activities of embedding Ru-OMC catalysts are much higher than those of supported Ru/OMC catalysts, which can be attributed to the strong interaction between ruthenium nanoparticles and the carbon support. Furthermore, the activities of Ru-OMC catalysts are closely related to the embedding degree of ruthenium nanoparticles in the carbon matrix. The Ru-OMC catalysts with an appropriate embedding degree affords a turnover frequency of up to 4.69 s−1 in toluene hydrogenation.

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