Articles | Volume 16, issue 2
Atmos. Chem. Phys., 16, 675–689, 2016
https://doi.org/10.5194/acp-16-675-2016
Atmos. Chem. Phys., 16, 675–689, 2016
https://doi.org/10.5194/acp-16-675-2016

Research article 21 Jan 2016

Research article | 21 Jan 2016

Formation of secondary aerosols from gasoline vehicle exhaust when mixing with SO2

T. Liu et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Xinming Wang on behalf of the Authors (14 Nov 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Nov 2015) by Delphine Farmer
RR by Anonymous Referee #1 (26 Nov 2015)
RR by Anonymous Referee #3 (04 Dec 2015)
ED: Reconsider after minor revisions (Editor review) (13 Dec 2015) by Delphine Farmer
AR by Xinming Wang on behalf of the Authors (16 Dec 2015)  Author's response    Manuscript
ED: Publish as is (07 Jan 2016) by Delphine Farmer
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Short summary
The formation of SOA and sulfate aerosols from the photooxidation of gasoline vehicle exhaust (GVE) when mixing with SO2 was investigated in a smog chamber. We found that the presence of GVE enhanced the conversion of SO2 to sulfate predominantly through reactions with stabilized Criegee intermediates. On the other hand, the elevated particle acidity enhanced the SOA production from GVE. This study indicated that SO2 and GVE could enhance each other in forming secondary aerosols.
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