Articles | Volume 19, issue 12
https://doi.org/10.5194/acp-19-8063-2019
https://doi.org/10.5194/acp-19-8063-2019
Research article
 | 
20 Jun 2019
Research article |  | 20 Jun 2019

Significant source of secondary aerosol: formation from gasoline evaporative emissions in the presence of SO2 and NH3

Tianzeng Chen, Yongchun Liu, Qingxin Ma, Biwu Chu, Peng Zhang, Changgeng Liu, Jun Liu, and Hong He

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Latest update: 13 Nov 2024
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Short summary
Effects of SO2 and NH3 on SA formation from unburned gasoline vapor were investigated in a 30 m3 smog chamber. With the increase in SO2 and NH3 concentrations, formation of SA and each of its chemical species was promoted. Meanwhile, NPF and particle size growth were also significantly enhanced. This work indicates that gasoline evaporation emissions will be a significant source of SA and sulfur- and nitrogen-containing organics, especially in the presence of high concentrations of SO2 and NH3.
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