Formation of secondary organic aerosols from anthropogenic precursors in laboratory studies

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Abstract

Aerosols produced from the oxidation of volatile/semi-volatile organic compounds (VOCs/SVOCs), known as secondary organic aerosol (SOA), account for a significant fraction of atmospheric airborne particles. This paper reviews the current understanding of SOA formation from gas-phase oxidation with a focus on anthropogenic precursors and their reaction products from atmospheric simulation chamber studies. The review summarises the major reaction products derived from main groups of SOA precursors (e.g., alkanes, aromatics), SOA yields and the factors controlling SOA formation. We highlight that lab-derived SOA yield depends strongly upon, not only the concentrations of SOA precursors and oxidants but also simulation conditions.

Original languageEnglish
Article number22
Journalnpj Climate and Atmospheric Science
Volume5
Issue number1
DOIs
Publication statusPublished - 24 Mar 2022

Bibliographical note

Acknowledgements
This work was supported by the Natural Environment Research Council (APHH-Beijing and SOA grants): NE/N007190/1 (AIRPOLL-Beijing), NE/S006699/1 (SOA).

ASJC Scopus subject areas

  • Global and Planetary Change
  • Environmental Chemistry
  • Atmospheric Science

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