The Effect of Temperature on Promotion of the Oxidation of Nitric Oxide and Propene by the Thermal Decomposition of Peroxyacetyl Nitrate (PAN) under Dark Conditions

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  • IWAMOTO Issei
    Department of Applied Chemistry, Faculty of Engineering, Saitama University
  • MORITA Hisao
    Saitama Institute of Public Health
  • KOSAKA Atsushi
    Department of Applied Chemistry, Faculty of Engineering, Saitama University
  • TANIHARA Hitoshi
    Department of Applied Chemistry, Faculty of Engineering, Saitama University
  • MITA Kazuyoshi
    Department of Applied Chemistry, Faculty of Engineering, Saitama University
  • OTSUKA Soichi
    Department of Applied Chemistry, Faculty of Engineering, Saitama University
  • SAKAMOTO Kazuhiko
    Department of Applied Chemistry, Faculty of Engineering, Saitama University

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Other Title
  • 暗反応条件下でのペルオキシアセチル硝酸 (PAN) の熱分解による―酸化窒素およびプロペンの酸化促進に対する温度の影響
  • An Approach by Computer Simulation
  • シミュレーションによる検討

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The first-order rate constants of PAN decomposition were experimentally determined in the temperature range from 12 to 35°C. Simulation calculation was also performed under quasi-atmospheric conditions by a modified chemical reaction model including the experimentally determined rate constants of PAN decomposition. It was revealed from these studies that oxidation of nitric oxide is promoted by PAN decomposition in the presence of propene because of the addition of new pathways containing OH radical as chain carrier and that the degree of promotion of oxidation is controlled by the decomposition rate of PAN which has strong temperature dependence.

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