Rate constant and secondary organic aerosol formation from the gas-phase reaction of eugenol with hydroxyl radicals

Liu, Changgeng; Liu, Yongchun; Chen, Tianzeng; Liu, Jun; He, Hong

doi:https://doi.org/10.5194/acp-19-2001-2019

Articles | Volume 19, issue 3

https://doi.org/10.5194/acp-19-2001-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-2001-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 3

Research article

|

14 Feb 2019

Research article |

| 14 Feb 2019

Rate constant and secondary organic aerosol formation from the gas-phase reaction of eugenol with hydroxyl radicals

Changgeng Liu, Yongchun Liu, Tianzeng Chen, Jun Liu, and Hong He

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Final revised paper (published on 14 Feb 2019)
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Preprint (discussion started on 10 Sep 2018)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Referee comment', Anonymous Referee #1, 18 Nov 2018
- AC1: 'Responses to Referee #1’s comments', Yongchun Liu, 03 Jan 2019
RC2: 'comments_ACP-2018-749_Liu et al', Anonymous Referee #2, 03 Dec 2018
- AC2: 'Responses to Referee #2’s comments', Yongchun Liu, 03 Jan 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Yongchun Liu on behalf of the Authors (03 Jan 2019) Author's response Manuscript

ED: Publish as is (04 Feb 2019) by Rainer Volkamer

AR by Yongchun Liu on behalf of the Authors (05 Feb 2019) Manuscript

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Short summary

The rate constant and SOA formation for the OH-initiated reaction of eugenol were studied for the first time in an oxidation flow reactor. Significant SOA formation was observed, and SOA yield depended on precursor concentration and OH exposure. SO₂ and NO₂ both enhanced SOA yields. In addition, NO₂ participated in OH-initiated reaction and produced organic nitrates. The results could be helpful for further understanding SOA formation from the atmospheric oxidation of methoxyphenols.