Objetivo To investigate the tropospheric oxidation of selected aromatic compounds.A fast cycle of odd hydrogen species is involved in the formation of tropospheric ozone. The chain length of the cycle and the number of NO molecules oxidised to NO2 per revolution, two central parameters of tropospheric chemistry, are critically dependent on the composition of VOC emissions.The contribution of aromatic compounds to these parameters will be evaluated according to the following points :1 Identification of the primary (i.e. stable, non-radical) products from the reactions of aromatic compounds initiated by the OH radical.2 The number of HO2 radicals formed and the number of NO oxidised to NO2.3 The atmospheric chemistry of the primary products initiated by photolysis or OH radicals and the secondary products formed.The fundamental first point will be tackled from two sides :a) Kinetic experiments with fast time resolution including cycling experiments and measurements of formation kinetics and yields of probable primary products.b) Product studies with two approaches to overcome the problem of fast secondary reactions of the primary products : (i) Measurements with total consumption of the aromatic precursor as low as possible at various low (including zero) concentrations of NOX. (ii) Investigating the third point first, considering the results in the interpretation of product spectra formed from the parent aromatics.The results of the project should improve models of the tropospheric free radical chemistry, which are used in planning photooxidant control strategies. Ámbito científico natural scienceschemical sciencesorganic chemistryvolatile organic compoundsnatural scienceschemical scienceselectrochemistryelectrolysissocial sciencespolitical sciencespolitical transitionsrevolutionsnatural scienceschemical sciencesorganic chemistryaromatic compounds Programa(s) FP3-ENV 1C - Specific research and technological development programme (EEC) in the field of the environment, 1990-1994 Tema(s) 0105 - Tropospheric physics and chemistry Convocatoria de propuestas Data not available Régimen de financiación CSC - Cost-sharing contracts Coordinador FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. Aportación de la UE Sin datos Dirección Nikolai-Fuchs-Strasse 1 30625 HANNOVER Alemania Ver en el mapa Enlaces Sitio web Opens in new window Coste total Sin datos Participantes (4) Ordenar alfabéticamente Ordenar por aportación de la UE Ampliar todo Contraer todo BERGISCHE UNIVERSITAET GESAMTHOCHSCHULE WUPPERTAL Alemania Aportación de la UE Sin datos Dirección Gauss-Straße 20 42097 WUPPERTAL Ver en el mapa Coste total Sin datos Centre National de la Recherche Scientifique (CNRS) Francia Aportación de la UE Sin datos Dirección Université des Sciences et Technologie 59655 Villeneuve-d'Ascq Ver en el mapa Coste total Sin datos RISOE NATIONAL LABORATORY Dinamarca Aportación de la UE Sin datos Dirección Frederiksborgvej 399 4000 ROSKILDE Ver en el mapa Coste total Sin datos University of Patras Grecia Aportación de la UE Sin datos Dirección Karatheodori 26500 PATRAS Ver en el mapa Coste total Sin datos
