NO<sub>3</sub> chemistry of wildfire emissions: a kinetic study of the gas-phase reactions of furans with the NO<sub>3</sub> radical

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Abstract 3 reactivity in biomass burning plumes. The major removal process of furans from the atmosphere at night is reaction with the nitrate radical, NO3. Here, we report a series of relative rate experiments in the 7300 L indoor simulation chamber at Institut de Combustion Aérothermique Réactivité et Environnement, Centre national de la recherche scientifique (ICARE-CNRS), Orléans, using a number of different reference compounds to determine NO3 reaction rate coefficients for four furans, two furanones, and pyrrole. In the case of the two furanones, this is the first time that NO3 rate coefficients have been reported. The recommended values (cm3  molec.- 1 - 1 ± × - 12 ± × - 11 ± × - 10 ± × - 14 α ± × - 12 γ < 1.4  × - 16 ± × - 11 + 3 reaction rate coefficient is found to be an order of magnitude smaller than previously reported. These experiments show that for furan, alkyl-substituted furans, α 3 will be the dominant removal process at night and may also contribute during the day. For γ 3 is not an important atmospheric sink.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
NO3 chemistry of wildfire emissions: a kinetic study of the gas-phase reactions of furans with the NO3 radical ; volume:22 ; number:3 ; year:2022 ; pages:1761-1772 ; extent:12
Atmospheric chemistry and physics ; 22, Heft 3 (2022), 1761-1772 (gesamt 12)

Urheber
Newland, Mike J.
Ren, Yangang
McGillen, Max R.
Michelat, Lisa
Daële, Véronique
Mellouki, Abdelwahid

DOI
10.5194/acp-22-1761-2022
URN
urn:nbn:de:101:1-2022021004284296210976
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:21 MESZ

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Beteiligte

  • Newland, Mike J.
  • Ren, Yangang
  • McGillen, Max R.
  • Michelat, Lisa
  • Daële, Véronique
  • Mellouki, Abdelwahid

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