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Effects of lanthanum on the properties of bifunctional Ni/HY catalyst

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Abstract

A series of lanthanum modified-Ni/HY bifunctional catalysts for n-octane hydroconversion were prepared by ion-exchange method, and the influence of lanthanum contents on the activity and the selectivity was investigated. Py-FTIR and CO-DRIFTS results indicated that the addition of lanthanum could adjust the acidity and the metal state over Ni/HY catalyst, and consequently change the ratio of metal to acid functions. It was found that the best catalytic performance at the lanthanum exchange of ca. 8 wt.% was due to the suitable metal/acid ratio.

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Authors and Affiliations

  1. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, 030001, P.R. China

    Dao Li, Fang Li, Jie Ren & Yuhan Sun

Authors
  1. Dao Li
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  2. Fang Li
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  3. Jie Ren
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  4. Yuhan Sun
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Correspondence to Yuhan Sun.

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Li, D., Li, F., Ren, J. et al. Effects of lanthanum on the properties of bifunctional Ni/HY catalyst. Reaction Kinetics and Catalysis Letters 76, 353–360 (2002). https://doi.org/10.1023/A:1016552415339

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