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Analyzing the Photo-oxidation of 2-propanol at Indoor Air Level Concentrations Using Field Asymmetric Ion Mobility Spectrometry
Published on: June 14, 2018
Experimental study on the thermal oxidation of 2-chlorophenol in air over the temperature range 450-900 degrees C
Christelle Briois1, Nicolas Visez, Christiane Baillet
1PhysicoChimie des Processus de Combustion et de l'Atmosphère (PC2A), UMR CNRS 8522 Université des Sciences et Technologies de Lille, 59655 Villeneuve d'Ascq, France.
Abstract:
The thermal oxidation of 2-chlorophenol (2-CP) in air was investigated using a perfectly stirred reactor at 1 atm over the temperature range 450-900 degrees C. The relative concentration of 2-CP was 1,000 ppm V (equivalence ratio Phi=0.03). About fifty organic products were identified as trace species. The concentration profiles of 2-CP, carbon oxides as well as those of seventeen major organic intermediates and six non-to-lower chlorinated dioxins and furans were presented as a function of temperature for a residence time of 2s. The most abundant intermediate products were carbon monoxide, 2H-pyran-2-one, chlorobenzene, 4-cyclopenten-1,3-dione, phenol, benzofuran, 2-chlorohydroquinone and 2-indanone. These concentration profiles have revealed that temperatures of at least 900 degrees C were needed to completely oxidize 2-CP, CO and all other organic byproducts to carbon dioxide. Reaction pathways accounting for the formation of most observed products are proposed.
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