Comparison of primary and secondary particle formation from natural gas engine exhaust and of their volatility characteristics

Alanen, Jenni; Simonen, Pauli; Saarikoski, Sanna; Timonen, Hilkka; Kangasniemi, Oskari; Saukko, Erkka; Hillamo, Risto; Lehtoranta, Kati; Murtonen, Timo; Vesala, Hannu; Keskinen, Jorma; Rönkkö, Topi

doi:https://doi.org/10.5194/acp-17-8739-2017

Articles | Volume 17, issue 14

https://doi.org/10.5194/acp-17-8739-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-8739-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 14

Research article

|

18 Jul 2017

Research article |

| 18 Jul 2017

Comparison of primary and secondary particle formation from natural gas engine exhaust and of their volatility characteristics

Jenni Alanen, Pauli Simonen, Sanna Saarikoski, Hilkka Timonen, Oskari Kangasniemi, Erkka Saukko, Risto Hillamo, Kati Lehtoranta, Timo Murtonen, Hannu Vesala, Jorma Keskinen, and Topi Rönkkö

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Preprint (discussion started on 08 Feb 2017)
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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: 'Comments on “Comparison of primary and secondary particle formation from natural gas engine exhaust and of their volatility characteristics” by Alanen et al.', Anonymous Referee #1, 30 Mar 2017
RC2: 'Review of Alanen et al.', Anonymous Referee #2, 04 Apr 2017
AC1: 'Response to referee comments - Acp-2017-44', Jenni Alanen, 12 May 2017

Peer-review completion

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

AR by Jenni Alanen on behalf of the Authors (15 May 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (23 May 2017) by Rob MacKenzie

RR by Anonymous Referee #2 (06 Jun 2017)

ED: Publish subject to technical corrections (06 Jun 2017) by Rob MacKenzie

AR by Jenni Alanen on behalf of the Authors (14 Jun 2017) Author's response Manuscript

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Short summary

Secondary organic and inorganic aerosols deteriorate air quality. Their formation from a natural gas engine was studied and compared with the emitted primary particulate emission. The volatility of the formed particles was defined as a function of temperature. Photochemical ages 4–11 days, mimicked by a potential aerosol mass chamber, produced 9–20 mg kg⁻¹ fuel SOA. Aged emission particles were found to be less volatile than the fresh, implicating longer stability in the atmosphere.