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Aerosol formation and growth in atmospheric aromatic hydrocarbon photooxidation

Stern, Jennifer E. and Flagan, Richard C. and Grosjean, Daniel and Seinfeld, John H. (1987) Aerosol formation and growth in atmospheric aromatic hydrocarbon photooxidation. Environmental Science and Technology, 21 (12). pp. 1224-1231. ISSN 0013-936X. doi:10.1021/es00165a011.

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An experimental study of aerosol formation in aromatic hydrocarbon/NO_x systems has been conducted in an outdoor smog chamber. Aerosol size distributions were measured as a function of time in toluene, m-xylene, ethylbenzene, or 1,3,5-trimethylbenzene photooxidations to determine the rates of new particle formation and the effects of initial particles on aerosol formation and growth. Aerosol yields from the aromatic gas-phase photooxidations were found to be approximately 2-5% by mass of the starting aromatic species. Simulations of the aerosol behavior in these experiments have been carried out using an integral model that includes a vapor source, homogeneous nucleation, condensational growth, and particle loss by deposition. Predictions from the model are in relatively good agreement with the experimental observations. Results indicate that the nucleation mechanism in these systems is still not completely understood.

Item Type:Article
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Flagan, Richard C.0000-0001-5690-770X
Seinfeld, John H.0000-0003-1344-4068
Additional Information:© 1987 American Chemical Society. Received for review March 6, 1987. Revised manuscript received August 7, 1987. Accepted September 8, 1987. This work was supported by the Coordinating Research Council, Project AP-6. We acknowledge the help of Dale Warren and Toby Petti in conducting the smog chamber experiments.
Funding AgencyGrant Number
Coordinating Research CouncilAP-6
Issue or Number:12
Record Number:CaltechAUTHORS:20150805-104608694
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Official Citation:Aerosol formation and growth in atmospheric aromatic hydrocarbon photooxidation Jennifer E. Stern, Richard C. Flagan, Daniel. Grosjean, and John H. Seinfeld Environmental Science & Technology 1987 21 (12), 1224-1231 DOI: 10.1021/es00165a011
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59207
Deposited By: Irina Meininger
Deposited On:09 Sep 2015 19:37
Last Modified:10 Nov 2021 22:16

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