Kinetics for Dehydrogenation of Propane of Pt-Sn-K/γ-Al_2O_3 Catalyst

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概要

• 論文の詳細を見る

• The performance of three catalysts, namely Pt/γ-Al2O3, Pt-Sn/γ-Al2O3 and Pt-Sn-K/γ-Al2O3 for dehydrogenation of propane is discussed. All catalysts are found to be highly selective towards propene. Pt-Sn-K/γ-Al2O3 appears to be the most stable and suitable catalyst for the dehydrogenation of propane. Pt-Sn/γ-Al2O3 is also found to be superior to Pt/γ-Al2O3. In the kinetic study, the reaction rate constants based on the number of active sites are calculated from the apparent reaction rate constants and the number of metal active sites. The reaction rate constants for Pt/γ-Al2O3, Pt-Sn/γ-Al2O3 and Pt-Sn-K/γ-Al2O3 catalysts at 773 K are 0.48 × 10−28, 0.67 × 10−28 and 2.98 × 10−28 mol/(site·s·Pa), respectively. In addition, for Pt-Sn-K/γ-Al2O3, the frequency factor and the activation energy are 6.14 × 10−24 mol/(site·s·Pa) and 62.7 kJ/mol, respectively.

• 社団法人 化学工学会の論文

著者

• Praserthdam Piyasan

  Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University

• GOTO Shigeo

  Department of Chemical Engineering, Nagoya University

• Assabumrungrat Suttichai

  Center Of Excellence On Catalysis And Catalytic Reaction Engineering Department Of Chemical Engineer

• Praserthdam Piyasan

  Center Of Excellence On Catalysis And Catalytic Reaction Engineering Department Of Chemical Engineer

• Praserthdam Piyasan

  Center Of Excellence In Catalysis And Catalytic Reaction Engineering Dept. Of Chemical Engineering C

• Praserthdam Piyasan

  Department Of Chemical Engineering Faculty Of Engineering Chulalongkorn University

• Praserthdam P

  Center Of Excellence In Catalysis And Catalytic Reaction Engineering Dept. Of Chemical Engineering C

• ASSABUMRUNGRAT Suttichai

  Petrochemical Engineering Laboratory, Department of Chemical Engineering, Chulalongkorn University

• JHORALEECHARNCHAI Wiroj

  Petrochemical Engineering Laboratory, Department of Chemical Engineering, Chulalongkorn University

• PRASERTHDAM Piyasan

  Petrochemical Engineering Laboratory, Department of Chemical Engineering, Chulalongkorn University

• Goto Shigeo

  Department Of Chemical Engineering Nagoya University

• Jhoraleecharnchai Wiroj

  Petrochemical Engineering Laboratory Department Of Chemical Engineering Chulalongkorn University

• Assabumrangrat Suttichai

  Petrochemical Engineering Laboratory, Department of Chemical Engineering, Chulalongkorn University

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