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Mechanism and Kinetics Analysis of NO/SO2/N2/O2 Dissociation Reactions in Non-Thermal Plasma

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【作者】 王心亮李婷婷魏冬香魏艳丽顾璠

【Author】 WANG Xinliang LI Tingting WEI Dongxiang WEI Yanli GU Fan Key Laboratory of Clean Coal Power Generation Combustion Technology of Ministry of Education,School of Energy Engineering and Environmental Engineering,Southeast University,Nanjing 210096,China

【机构】 Key Laboratory of Clean Coal Power Generation Combustion Technology of Ministry of Education,School of Energy Engineering and Environmental Engineering,Southeast University,Nanjing 210096,China

【摘要】 <正> The kinetics mechanism of the dissociation reactions in a NO/SO2/N2/O2 system was investigated in consideration of energetic electrons’ impacts on a non-thermal plasma.A model was derived from the Boltzmann equation and molecule collision theory to predict the dissociation reaction rate coefficients.Upon comparison with available literature,the model was confirmed to be acceptably accurate in general.Several reaction rate coefficients of the NO/SO2/N2/O2 dissociation system were derived according to the Arrhenius formula.The activation energies of each plasma reaction were calculated by quantum chemistry methods.The relation between the dissociation reaction rate coefficient and electron temperature was established to describe the importance of each reaction and to predict relevant processes of gaseous chemical reactions.The sensitivity of the mechanism of NO/SO2/N2/O2 dissociation reaction in a non-thermal plasma was also analysed.

【Abstract】 The kinetics mechanism of the dissociation reactions in a NO/SO2/N2/O2 system was investigated in consideration of energetic electrons’ impacts on a non-thermal plasma.A model was derived from the Boltzmann equation and molecule collision theory to predict the dissociation reaction rate coefficients.Upon comparison with available literature,the model was confirmed to be acceptably accurate in general.Several reaction rate coefficients of the NO/SO2/N2/O2 dissociation system were derived according to the Arrhenius formula.The activation energies of each plasma reaction were calculated by quantum chemistry methods.The relation between the dissociation reaction rate coefficient and electron temperature was established to describe the importance of each reaction and to predict relevant processes of gaseous chemical reactions.The sensitivity of the mechanism of NO/SO2/N2/O2 dissociation reaction in a non-thermal plasma was also analysed.

  • 【文献出处】 Plasma Science and Technology ,等离子体科学和技术(英文版) , 编辑部邮箱 ,2008年06期
  • 【分类号】O539
  • 【下载频次】1
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