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Migration Pathways of Oxygen and the Formation of Oxygenated Intermediates in Oxygenated Fuel Combustion

ZHANG Li-Zhi, 中国科学院广州能源研究所, 广州 510640;,Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, P. R. China;, GAO Jian, ZHAO Dai-Qing, JIANG Li-Qiao, YANG Jiu-Zhong, WANG Zhan-Dong, JIN Han-Feng, 中国科学技术大学国家同步辐射实验室, 合肥 230029;,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, P. R. China;, 中国科学院可再生能源与天然气水合物院重点实验室, 广州 510640;,Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy of Sciences, Guangzhou 510640, P. R. China;, 中国科学院研究生院, 北京 100049,Graduate University of Chinese Academy of Sciences, Beijing 100049, P. R. China
2011 Wuli huaxue xuebao  

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The combustion of oxygenated fuel produces more non-regulated pollutants which usually contain oxygen such as aldehydes than the combustion of hydrocarbon fuel. The formation of these oxygenated intermediates may be associated with the release of oxygen from the oxygenated fuel. In this paper, migration pathways of oxygen from several oxygenated fuels were investigated to obtain the formation characteristics of oxygenated intermediates. Major oxygenated intermediates and other intermediates
more » ... identified using synchrotron vacuum ultraviolet photoionization mass spectrometry in a dimethyl ether flame, an ethanol flame, and a propane flame. Their mole fractions were also evaluated. The results indicate that the oxygen from oxygenated fuel leads to an easier production of oxygenated intermediates, compared with oxygen from the oxidizer. The major oxygenated intermediate depends on the structure of the oxygenated fuel and was found to be formaldehyde in the dimethyl ether flame, and acetaldehyde in the ethanol flame. However, formaldehyde and acetaldehyde are present in low concentrations while hydrocarbon intermediates, such as ethene, ethyne, and propene, are present in high concentrations in the propane flame.
doi:10.3866/pku.whxb20110706 fatcat:jybqz6klcbhohkhwuoqjjfr5hi
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ZHANG Li-Zhi, 中国科学院广州能源研究所, 广州 510640;,Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, P. R. China;, GAO Jian, ZHAO Dai-Qing, JIANG Li-Qiao, YANG Jiu-Zhong, WANG Zhan-Dong, JIN Han-Feng, 中国科学技术大学国家同步辐射实验室, 合肥 230029;,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, P. R. China;, 中国科学院可再生能源与天然气水合物院重点实验室, 广州 510640;,Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy of Sciences, Guangzhou 510640, P. R. China;, 中国科学院研究生院, 北京 100049,Graduate University of Chinese Academy of Sciences, Beijing 100049, P. R. China. "Migration Pathways of Oxygen and the Formation of Oxygenated Intermediates in Oxygenated Fuel Combustion." Wuli huaxue xuebao 27.08 (2011) 1809-1815