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三氯乙烯與甲烷及不同比例之氧氣混合高溫燃燒反應研究

High Temperature Combustion of Trichloroethylene in Methane and Oxygen Mixtures

摘要


本研究進行C2HCl3與CH4及O2混合氣體1.0cm管徑之管狀式高溫反應器,在低氧(Fuel rich,高燃料),化學計量(stoichiometry)及富氧(Fuel lean,少燃料)等三種不同的反應物與燃料之進料比例條件下進行,C2HCI3轉化之總體反應常數為Klean=3.211x 10^6 exp(-27778.3/RT),Kstoi=1.612x10^6 exp(-26782.8/RT),Krich=1.268x 10^6 exp(-26826.5IRT)。實驗結果顯示在較高氧氣含量之條件下,主要產物,如C2Cl2,CO,CO2及HCl等,在較低溫度即可產生,且中間產物,如C2H3CI,C2HCl,COCl2等會在較低溫範圍即產生並在中高溫範圍即轉化成最終產物。

並列摘要


Experiments on oxidation of multi-chlorinated hydrocarbons C2HCl3 with hydrocarbon fuels, CH4, are performed in laboratory scale flow reactors. These global Arrhenius equations for decomposition of C2HCI3 for each reactant set ratio are: klean=3.211 x 10^6 exp(-27778.3/RT), kstoi=1.612x 10^6 exp(-26782.8/RT), krich=1.268x 10^6 exp(-26826.5/RT). The major reaction products, C2Cl2, CO, CO2 and HCl, can be found in lower temperature region under higher oxygen contained environment. The resulting reactant loss, intermediate and final product profile versus time and versus temperature are utilized in developing and validating the detailed reaction mechanism consisting of elementary reaction sets.

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