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Influence of MgO loading on the structure and catalytic performance of Pd/γ-Al2O3, part 2. Competitive adsorption properties of palladium cations on MgO/γ-Al2O3

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Abstract

Partitioning adsorption properties of palladium cations on composite supports of MgO/γ-Al2O3 were explored by IR, TPR and catalytic performance tests for CO oxidation. The experimental results revealed that palladium cations in conventional impregnation was dispersed completely on γ-Al2O3, when the amount of MgO in the samples was lower than 5%. For the catalysts prepared by double impregnation, part of palladium dispersed on MgO phase due to the complexing action of EDTA. Pd−MgO interaction suppressed the reaction of CO oxidation.

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References

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Authors and Affiliations

  1. Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000, Lanzhou, P. R. China

    Caixia Qi, Tingfang Bai & Lidun An

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  1. Caixia Qi
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  2. Tingfang Bai
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  3. Lidun An
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Qi, C., Bai, T. & An, L. Influence of MgO loading on the structure and catalytic performance of Pd/γ-Al2O3, part 2. Competitive adsorption properties of palladium cations on MgO/γ-Al2O3 . React Kinet Catal Lett 59, 375–380 (1996). https://doi.org/10.1007/BF02068136

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  • DOI: https://doi.org/10.1007/BF02068136

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