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Cooperative Effect of Platinum and Alumina on Catalyst Deactivation for Dehydrogenation Reaction

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Abstract

The cooperative effect on catalyst deactivation of Pt-based catalysts for dehydrogenation reaction was investigated using the combination of Pt-based/SiO2 and Al2O3. The presence of the effect was confirmed by reaction test, CO adsorption, H2-TPD and TPO. Considering conversion, active site, H2 uptake and the nature and amount of coke, interestingly, the physical mixture of Pt-based catalyst supported on SiO2 with 100-120 mesh and Al2O3 60-80 mesh was similar to Pt-based Al2O3. The concept of combination of two catalytic functions, acidity and metallic species, will certainly provide the possibility of better catalyst design.

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Authors and Affiliations

  1. Petrochemical Engineering Research Laboratory, Department of Chemical Engineering, Chulalongkorn University, Bangkok, 10330, Thailand

    Sunee Srihiranpullop, Piyasan Praserthdam & Tharathon Mongkhonsi

Authors
  1. Sunee Srihiranpullop
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  2. Piyasan Praserthdam
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  3. Tharathon Mongkhonsi
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Correspondence to Sunee Srihiranpullop.

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Srihiranpullop, S., Praserthdam, P. & Mongkhonsi, T. Cooperative Effect of Platinum and Alumina on Catalyst Deactivation for Dehydrogenation Reaction. Reaction Kinetics and Catalysis Letters 72, 125–131 (2001). https://doi.org/10.1023/A:1010544917180

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