Articles | Volume 21, issue 5
Atmos. Chem. Phys., 21, 3827–3832, 2021
https://doi.org/10.5194/acp-21-3827-2021
Atmos. Chem. Phys., 21, 3827–3832, 2021
https://doi.org/10.5194/acp-21-3827-2021

Technical note 15 Mar 2021

Technical note | 15 Mar 2021

Technical note: The enhancement limit of coagulation scavenging of small charged particles

Naser G. A. Mahfouz and Neil M. Donahue

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Naser G. A. Mahfouz on behalf of the Authors (18 Jan 2021)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (20 Jan 2021) by Veli-Matti Kerminen
RR by Anonymous Referee #2 (26 Jan 2021)
ED: Publish as is (26 Jan 2021) by Veli-Matti Kerminen
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Short summary
In this technical note, we show that the limit of the coagulation scavenging enhancement of charged particles is asymptotically 2; that is, at the limit, charged particles are lost at twice the rate of their neutral counterparts. This has serious implications for aerosol particle survivability where ions play a role in nucleation and growth. Such cases can happen readily in experiments and cannot be neglected in the atmosphere.
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