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Increasing the propylene epoxidation activity of TS-1 catalysts by hydrothermal treatment of ammonia solution

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Reaction Kinetics and Catalysis Letters Aims and scope Submit manuscript

Summary

Treating titanium silicalite (TS-1) with ammonia solution under hydrothermal conditions proves to be an effective post-synthesis modification method for improving TS-1 catalytic activity in propylene epoxidation. Characterizations indicate that the treated TS-1 did not change TS-1 composition and generate more Ti (IV)-superoxide species (gz = 2.0265, gy = 2.0090, gx = 2.0022) when interacting with aqueous H2O2(30 wt.%) compared with the as-synthesized one.</o:p>

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Authors and Affiliations

  1. Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China

    Na Liu

  2. Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China

    Hongchen Guo

  3. Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China

    Xiangsheng Wang

  4. Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China

    Lixing Chen

  5. Center of Measurement and Analysis of Materials, Dalian University of Technology, Dalian 116024, P.R. China

    Longjiang Zoub

Authors
  1. Na Liu
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  2. Hongchen Guo
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  3. Xiangsheng Wang
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  4. Lixing Chen
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  5. Longjiang Zoub
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Liu, N., Guo, H., Wang, X. et al. Increasing the propylene epoxidation activity of TS-1 catalysts by hydrothermal treatment of ammonia solution . React Kinet Catal Lett 87, 77–83 (2005). https://doi.org/10.1007/s11144-006-0011-9

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  • DOI: https://doi.org/10.1007/s11144-006-0011-9

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