Articles | Volume 19, issue 16
Atmos. Chem. Phys., 19, 10557–10570, 2019
https://doi.org/10.5194/acp-19-10557-2019

Special issue: Multiphase chemistry of secondary aerosol formation under...

Atmos. Chem. Phys., 19, 10557–10570, 2019
https://doi.org/10.5194/acp-19-10557-2019

Research article 21 Aug 2019

Research article | 21 Aug 2019

NH3-promoted hydrolysis of NO2 induces explosive growth in HONO

Wanyun Xu et al.

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Interactive discussion

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 Ye Kuang on behalf of the Authors (08 Mar 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (14 Mar 2019) by Aijun Ding
RR by Anonymous Referee #3 (28 May 2019)
ED: Reconsider after major revisions (30 May 2019) by Aijun Ding
AR by Ye Kuang on behalf of the Authors (11 Jun 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (11 Jun 2019) by Aijun Ding
RR by Anonymous Referee #3 (22 Jul 2019)
ED: Publish as is (27 Jul 2019) by Aijun Ding
AR by Ye Kuang on behalf of the Authors (31 Jul 2019)  Author's response    Manuscript
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Short summary
The study of HONO, the primary source of OH radicals, is crucial for atmospheric photochemistry and heterogeneous chemistry. Heterogeneous NO2 conversion was shown to be one of the missing sources of HONO on the North China Plain, but the reaction path is still under debate. In this work, evidence was found that NH3 was the key factor that promoted the hydrolysis of NO2, leading to the explosive growth of HONO and nitrate, suggesting that NH3 emission control measures are urgently needed.
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