An Experimental and Kinetic Calculation of the Promotion Effect of Hydrocarbons on the NO-NO<sup>2</sup> Conversion in a Flow Reacto

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The main route to nitrogen dioxide (NOz) formation in combustion systems is through the oxidation of nitric oxide (NO). This process was originally invcstigafed in order to explain the high proportion of NOz found in NOx emissions from the exhaust of gas turbine engines [l]. Moreover, the understanding of the NO-NO2 conversion mechanism is relevant to a number of issues including NOz emission from unflued space heaters, development of NOx control technologies, behavior of NO/N02 in the atmosphere, formation and reduction chemistry of NOx, and the probe sampling techniques for NOx concentration measurements. Originally, the NO-NO2 conversion was thought to ... continued below

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Hori, M; Marinov, N; Matsunaga, N; Pitz, W & Westbrook, C January 6, 1998.

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The main route to nitrogen dioxide (NOz) formation in combustion systems is through the oxidation of nitric oxide (NO). This process was originally invcstigafed in order to explain the high proportion of NOz found in NOx emissions from the exhaust of gas turbine engines [l]. Moreover, the understanding of the NO-NO2 conversion mechanism is relevant to a number of issues including NOz emission from unflued space heaters, development of NOx control technologies, behavior of NO/N02 in the atmosphere, formation and reduction chemistry of NOx, and the probe sampling techniques for NOx concentration measurements. Originally, the NO-NO2 conversion was thought to proceed through the rapid oxidation of NO by oxidative radicals without much attention to the effect of fuels on the conversion [2-41. Although, in later studies, it was revealed that the conversion was greatly promoted by small quantities of fuels such as hydrocarbons, Hz, CO, and methanol [S-9]. In our former experiment and model calculation of the NO-NO2 conversion in the mixing of hot combustion gas with cold air and nine different fuels [6], the results indicated that NO-NO2 conversion appeared only in the low temperature range, and showed a strong dependence on fuel type. Thus, the interaction between the NO-NO2 reactions and the oxidation reactions of the fuel in the low temperature range must be .understood in order to explain the effect of fuel type on the NO-NO2 conversion and consequently to predict the NO/NO2 emission levels from combustion systems.

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  • 27th International Symposium on Combustion, Boulder, CO, September 2-7, 1998

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  • Other: DE00002599
  • Report No.: UCRL-JC-129372
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 2599
  • Archival Resource Key: ark:/67531/metadc665043

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  • January 6, 1998

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  • June 29, 2015, 9:42 p.m.

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Hori, M; Marinov, N; Matsunaga, N; Pitz, W & Westbrook, C. An Experimental and Kinetic Calculation of the Promotion Effect of Hydrocarbons on the NO-NO<sup>2</sup> Conversion in a Flow Reacto, article, January 6, 1998; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc665043/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.