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Gas- and Particle-Phase Products from the Chlorine-Initiated Oxidation of Polycyclic Aromatic Hydrocarbons

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorRIVA, Matthieu
dc.contributor.authorHEALY, Robert M.
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorFLAUD, Pierre Marie
ORCID: 0000-0002-2331-5641
IDREF: 102543291
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorPERRAUDIN, Emilie
dc.contributor.authorWENGER, John C.
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorVILLENAVE, Eric
dc.date.accessioned2024-06-04T14:27:10Z
dc.date.available2024-06-04T14:27:10Z
dc.date.issued2015-11-02
dc.identifier.issn1089-5639en_US
dc.identifier.uriorcid:0000-0002-4109-976X:10.1021/acs.jpca.5b04610
dc.identifier.uriorcid:0000-0002-1920-9846:10.1021/acs.jpca.5b04610
dc.identifier.urioai:crossref.org:10.1021/acs.jpca.5b04610
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/200261
dc.description.abstractEnThe chlorine atom (Cl)-initiated oxidation of three polycyclic aromatic hydrocarbons (PAHs; namely, naphthalene, acenaphthylene, and acenaphthene) was investigated. Experiments were performed in an atmospheric simulation chamber using a proton transfer reaction time-of-flight mass spectrometer (TOF-MS) and an aerosol TOF-MS to characterize the oxidation products in the gas and particle phases, respectively. The major products identified from the reaction of Cl atoms with naphthalene were phthalic anhydride and chloronaphthalene, indicating that H atom abstraction and Cl addition reaction pathways are both important. Acenaphthenone was the principal product arising from reaction of Cl with acenaphthene, while 1,8-naphthalic anhydride, acenaphthenone, acenaphthenequinone, and chloroacenaphthenone were all identified as products of acenaphthylene oxidation, confirming that the cylcopenta-fused ring controls the reactivity of these PAHs toward Cl atoms. Possible reaction mechanisms are proposed for the formation of these products, and favored pathways have been suggested. Large yields of secondary organic aerosol (SOA) were also observed in all experiments, and the major products were found to undergo significant partitioning to the particle-phase. This work suggests that Cl-initiated oxidation could play an important role in SOA formation from PAHs under specific atmospheric conditions where the Cl atom concentration is high, such as the marine boundary layer.
dc.language.isoENen_US
dc.sourceorcid
dc.sourcecrossref
dc.title.enGas- and Particle-Phase Products from the Chlorine-Initiated Oxidation of Polycyclic Aromatic Hydrocarbons
dc.typeArticle de revueen_US
dc.identifier.doi10.1021/acs.jpca.5b04610en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalJournal of Physical Chemistry Aen_US
bordeaux.page11170-11181en_US
bordeaux.volume119en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue45en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamLPTCen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04600986
hal.version1
hal.date.transferred2024-06-04T14:27:12Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
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