Effect of particle water on ozone and secondary organic aerosol formation from benzene-NO2-NaCl irradiations

Wang, Yujie; Luo, Hao; Jia, Lü; Ge, Shuangshuang

doi:10.1016/j.atmosenv.2016.06.022

Cited by 34 publications

(20 citation statements)

References 57 publications

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“…Our results are within the range obtained by other investigators Odum et al, 1997;Ng et al, 2007). Previous studies Zhou et al, 2011;Jia and Xu 2014;Wang et al, 2016) mainly ascribed the positive effect of RH on SOA yields from aromatics to LWC, which can enhance the formation of SOA by aqueous reactions, such as reactive uptake of glyoxal in aerosol water. Our yields of SOA from toluene are smaller than those from Ng et al (2007) (around 11 % at 4 % RH) and Hildebrandt et al (2009) (11-17 % at 21 % RH), which is probably due to the additional and excessive OH radical sources (HONO or H 2 O 2 ) used in their experiments.…”

Section: Soa Yieldssupporting

confidence: 80%

“…5d). These bands are assigned to hydrates of glyoxal and other water-soluble compounds in SOA (Volkamer et al, 2009;Lim et al, 2010;Kamens et al, 2011;Jia and Xu, 2014;Wang et al, 2016). Therefore, alcohols (such as hydrates) are considered major contributors to toluene SOA under humid conditions.…”

Section: Jia and Y F Xu: Different Roles Of Water In Soa Formationmentioning

confidence: 99%

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Different roles of water in secondary organic aerosol formation from toluene and isoprene

Jia

2018

Atmos. Chem. Phys.

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Abstract. Roles of water in the formation of secondary organic aerosol (SOA) from the irradiations of toluene-NO 2 and isoprene-NO 2 were investigated in a smog chamber. Experimental results show that the yield of SOA from toluene almost doubled as relative humidity increased from 5 to 85 %, whereas the yield of SOA from isoprene under humid conditions decreased by 2.6 times as compared to that under dry conditions. The distinct difference of RH effects on SOA formation from toluene and isoprene is well explained with our experiments and model simulations. The increased SOA from humid toluene-NO 2 irradiations is mainly contributed by O-H-containing products such as polyalcohols formed from aqueous reactions. The major chemical components of SOA in isoprene-NO 2 irradiations are oligomers formed from the gas phase. SOA formation from isoprene-NO 2 irradiations is controlled by stable Criegee intermediates (SCIs) that are greatly influenced by water. As a result, high RH can obstruct the oligomerization reaction of SCIs to form SOA.

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Section: Soa Yieldssupporting

confidence: 80%

Section: Jia and Y F Xu: Different Roles Of Water In Soa Formationmentioning

confidence: 99%

Different roles of water in secondary organic aerosol formation from toluene and isoprene

Jia

2018

Atmos. Chem. Phys.

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“…Our results are within the range obtained by other investigators Odum Ng et al, 2007). Previous studies Zhou et al, 2011;Jia & Xu 2014;Wang et al, 2016) mainly ascribed the positive effect of RH on SOA yields from aromatics to LWC, which can enhance the formation of SOA by aqueous reactions, such as reactive uptake of glyoxal in aerosol water. Our yields of SOA from toluene are smaller than those from Ng et al (2007) (around 11% at 4% RH) and Hildebrandt et al (2009) (11-17% at 21% RH), which is probably due to the additional and excessive OH radical sources (HONO or H2O2) used in their experiments.…”

supporting

confidence: 80%

“…These bands are assigned to hydrates of glyoxal and other water soluble compounds in SOA (Volkamer et al, 2009;Lim et al, 2010;Kamens et al, 2011;Jia and Xu, 2014;Wang et al, 2016). Therefore, it is considered that alcohols (such as hydrates)…”

mentioning

confidence: 99%

Different roles of water in secondary organic aerosol formation from toluene and isoprene

Jia¹,

Xu²

2017

Preprint

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Abstract. Roles of water in the formation of secondary organic aerosol (SOA) from the irradiations of toluene-NO2 and isoprene-NO2 were investigated in a smog chamber. Experimental results show that the yield of SOA from toluene almost 10 doubled as relative humidity increased from 5% to 85%, whereas the yield of SOA from isoprene under humid conditions decreased by 2.6 times as compared to that under dry conditions. The distinct difference of RH effects on SOA formation from toluene and isoprene is well explained with our experiments and model simulations. The increased SOA from humid toluene-NO2 irradiations is mainly contributed by O−H-containing products such as polyalcohols formed from aqueous reactions. The major chemical components of SOA in isoprene-NO2 irradiations are oligomers formed from the gas phase. SOA formation 15 from isoprene-NO2 irradiations is controlled by stable Criegee intermediate (SCI) that is greatly influenced by water. As a result, high RH can obstruct the oligomerization reaction of SCI to form SOA.

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“…L. Jia and Y. F. Xu: Different roles of water in SOA formation RH has a positive correlation with the mass yield of SOA from aromatics, such as p-xylene (Healy et al, 2009), toluene White et al, 2014), o-, p-xylene , benzene and ethylebenzene (Jia and Xu, 2014). This has been mainly attributed to aqueous-phase reactions, such as active uptake of glyoxal in particle water.…”

Section: Introductionmentioning

confidence: 99%

reply to reviewer 1

Xu¹

2018

Preprint

View full text Add to dashboard Cite

Roles of water in the formation of secondary organic aerosol (SOA) from the irradiations of toluene-NO 2 and isoprene-NO 2 were investigated in a smog chamber. Experimental results show that the yield of SOA from toluene almost doubled as relative humidity increased from 5 to 85 %, whereas the yield of SOA from isoprene under humid conditions decreased by 2.6 times as compared to that under dry conditions. The distinct difference of RH effects on SOA formation from toluene and isoprene is well explained with our experiments and model simulations. The increased SOA from humid toluene-NO 2 irradiations is mainly contributed by O-H-containing products such as polyalcohols formed from aqueous reactions. The major chemical components of SOA in isoprene-NO 2 irradiations are oligomers formed from the gas phase. SOA formation from isoprene-NO 2 irradiations is controlled by stable Criegee intermediates (SCIs) that are greatly influenced by water. As a result, high RH can obstruct the oligomerization reaction of SCIs to form SOA.

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Effect of particle water on ozone and secondary organic aerosol formation from benzene-NO2-NaCl irradiations

Cited by 34 publications

References 57 publications

Different roles of water in secondary organic aerosol formation from toluene and isoprene

Different roles of water in secondary organic aerosol formation from toluene and isoprene

Different roles of water in secondary organic aerosol formation from toluene and isoprene

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