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Aerosol formation during photooxidation of organosulfur species

Kreidenweis, Sonia M. and Yin, Fangdong and Wang, Shih Chen and Grosjean, Daniel and Flagan, Richard C. and Seinfeld, John H. (1991) Aerosol formation during photooxidation of organosulfur species. Atmospheric Environment Part A-General Topics, 25A (11). pp. 2491-2500. ISSN 0960-1686. https://resolver.caltech.edu/CaltechAUTHORS:20160303-161407528

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Abstract

Measurements of aerosol formation during the photooxidation of dimethylsulfide (DMS) and dimethyldisulfide (DMDS) in an outdoor smog chamber are compared with predictions from a model of aerosol nucleation and growth in the chemically reacting system. The aerosol is assumed to consist of methanesulfonic acid (MSA), sulfuric acid, and water. Source rates of the two acid species are obtained from a detailed chemical mechanism for the organosulfur precursor oxidation and are used to drive the aerosol model. Good agreement between experiment and predictions was observed for DMDS and DMS oxidation in the presence of NOx, but maximum total number concentrations achieved during DMDS oxidation in the absence of NOx were somewhat underpredicted. The effect upon model predictions of variations in model input parameters is evaluated.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0960-1686(91)90165-4DOIArticle
http://www.sciencedirect.com/science/article/pii/0960168691901654UNSPECIFIEDArticle
ORCID:
AuthorORCID
Flagan, Richard C.0000-0001-5690-770X
Seinfeld, John H.0000-0003-1344-4068
Additional Information:© 1991 Elsevier. (First received 16 January 1990 and in final form 29 May 1990). The experimental aspects of this work were supported by National Science Foundation Grant ATM-8503103. The assistance of Dr George Reischl and Dr Wolfgang Winklmayer of the University of Vienna with the smog chamber experiments is gratefully acknowledged. Computations were performed at the Lawrence Livermore National Laboratory (LLNL) under an AWU-DOE Faculty Fellowship. One of us (SMK) wishes to thank Dr Joyce Penner of LLNL for helpful discussions, and Dr John Hobson of LLNL for his assistance with the computations.
Funders:
Funding AgencyGrant Number
NSFATM-8503103
Department of Energy (DOE)UNSPECIFIED
Subject Keywords:dimethylsulfide; dimethyldisulfide; nucleation
Issue or Number:11
Record Number:CaltechAUTHORS:20160303-161407528
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160303-161407528
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ID Code:65067
Collection:CaltechAUTHORS
Deposited By: Katherine Johnson
Deposited On:04 Mar 2016 00:18
Last Modified:03 Oct 2019 09:43

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