Articles | Volume 25, issue 13
https://doi.org/10.5194/acp-25-6975-2025
https://doi.org/10.5194/acp-25-6975-2025
Research article
 | 
08 Jul 2025
Research article |  | 08 Jul 2025

Significant contributions of biomass burning to PM2.5-bound aromatic compounds: insights from field observations and quantum chemical calculations

Yanqin Ren, Zhenhai Wu, Fang Bi, Hong Li, Haijie Zhang, Junling Li, Rui Gao, Fangyun Long, Zhengyang Liu, Yuanyuan Ji, and Gehui Wang

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-3678', Anonymous Referee #1, 21 Jan 2025
  • RC2: 'Comment on egusphere-2024-3678', Anonymous Referee #2, 31 Jan 2025
  • RC3: 'Comment on egusphere-2024-3678', Anonymous Referee #3, 18 Feb 2025
  • AC1: 'Comment on egusphere-2024-3678', Yanqin Ren, 07 Apr 2025

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Yanqin Ren on behalf of the Authors (07 Apr 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (20 Apr 2025) by John Liggio
AR by Yanqin Ren on behalf of the Authors (21 Apr 2025)
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Short summary
The daily concentrations of Polycyclic aromatic hydrocarbons (PAHs), oxygenated PAHs (OPAHs), and nitrated phenols (NPs) in PM2.5 were all increased during the heating season. Biomass burning was identified to be the primary source of these aromatic compounds, particularly for PAHs. Phenol and nitrobenzene are two main primary precursors for 4NP, with phenol showing lower reaction barriers. P-Cresol was identified as the primary precursor for the formation of 4-methyl-5-nitrocatechol.
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