ESR and mass-spectrometric studies of methanol combustion. III. The effect of CS2 and CH3NH2 additions on the concentration profiles of chemical species in a methanol-air flame.
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概要
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The concentration profiles of chemical species (labile and stable) in methanol–air free-burning flames with and without the addition of CS<SUB>2</SUB> and CH<SUB>3</SUB>NH<SUB>2</SUB> have been examined by means of the probe-sampling ESR method, combined with mass-spectrometric measurements. In addition to the principal labile intermediates (H, O, and OH) and stable species (CH<SUB>3</SUB>OH, O<SUB>2</SUB>, H<SUB>2</SUB>, CH<SUB>2</SUB>O, CO<SUB>2</SUB>, and H<SUB>2</SUB>O), SO<SUB>2</SUB> and NO have been detected from the flame when it has been doped with CS<SUB>2</SUB> or CH<SUB>3</SUB>NH<SUB>2</SUB> respectively. The observed results indicate that the addition of these dopants depresses the concentration of OH and raises the concentration of H<SUB>2</SUB> in the primary reaction zone, where SO<SUB>2</SUB> and NO are efficiently generated. The observed concentration profiles have been discussed in terms of the reaction mechanism of the oxidation of sulfur and nitrogen compounds.
- 公益社団法人 日本化学会の論文
著者
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Yoshida Hiroshi
Faculty Of Math Kyushu Univ.
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Taniguchi Masayuki
Faculty of Engineering, Hokkaido University
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Hirasawa Nobuhito
Faculty of Engineering, Hokkaido University
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Yoshida Hiroshi
Faculty of Engineering, Hokkaido University
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