Non-catalytic Oxidation of NO to NO2 by Addition of Alcohol

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  • OHIRA Yuichi
    Department Applied Chemistry, Muroran Institute of Technology
  • SATOU Junichi
    Department Applied Chemistry, Muroran Institute of Technology
  • OHTA Mitsuhiro
    Department Applied Chemistry, Muroran Institute of Technology
  • OBATA Eiji
    Department Applied Chemistry, Muroran Institute of Technology

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  • アルコールによる一酸化窒素の無触媒酸化反応
  • アルコール ニ ヨル イッサンカ チッソ ノ ムショクバイ サンカ ハンノウ

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An experimental study on the non-catalytic NO oxidation using methanol, ethanol, or acetaldehyde as an additive was performed, and the results were investigated by numerical analysis and sensitivity analysis using a chemical reaction model. It is found that the maximum NO oxidation efficiency when employing methanol is greater than 0.85, whereas the maximum using ethanol is approximately 0.6. Although it is known that methanol and ethanol have different oxidation reaction routes, non-catalytic NO oxidation may even be realized using the latter. Moreover, relative to utilizing alcohol, lower oxidation efficiency are observed using acetaldehyde. Thus, employing alcohols with ignition points above 600 K may be suitable for the non-catalytic NO oxidation.

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