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CINETIQUE ET MECANISME DE DEGRADATION ATMOSPHERIQUE DE TROIS COMPOSES ORGANIQUES VOLATILS : L'ACETONE, LE PHENOL ET LE CATECHOL

Abstract : In this thesis, atmospheric degradation of three VOC (volatile organic compound), acetone, phenol and catechol, has been studied. These compounds are renowned to be some of main compounds in the atmosphere because the relative importance of their primary emissions (biogenic, gas fumes, ...) and secondary emissions (VOCs oxidation). This work has been realised in two laboratories using two complementary devices. These instruments are the fast flow tube with LIF(laser induce fluorescence) and a smog Teflon chamber with gas-phase chromatography with FTIR, FID, MS. The both use of these techniques enable to determine the main pathway of the acetone oxidation with OH radical. The smog chamber's studies of the phenol and catechol reactions with OH radical enable to determine some relative rate constants and mechanisms. It's the first mechanism proposition for the catechol + OH radical reaction. These obtained results have been used to mention the atmospheric impact of these compounds.
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Contributor : Estelle Turpin <>
Submitted on : Wednesday, August 3, 2005 - 3:28:30 PM
Last modification on : Tuesday, November 3, 2020 - 3:44:02 PM
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Estelle Turpin. CINETIQUE ET MECANISME DE DEGRADATION ATMOSPHERIQUE DE TROIS COMPOSES ORGANIQUES VOLATILS : L'ACETONE, LE PHENOL ET LE CATECHOL. Océan, Atmosphère. Université des Sciences et Technologie de Lille - Lille I, 2004. Français. ⟨tel-00009890⟩

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