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Evolution of aerosol chemistry in Xi'an during the spring dust storm periods: Implications for heterogeneous formation of secondary organic aerosols on the dust surface
Ren, YQ (Ren, Yan Qin)[ 1,3,4 ] ;  Wang, GH (Wang, Ge Hui)[ 2,3,4 ] ;  Li, JJ (Li, Jian Jun)[ 3 ] ;  Wu, C (Wu, Can)[ 3,4 ] ;  Cao, C (Cao, Cong)[ 3,4 ] ;  Li, J (Li, Jin)[ 3,4 ] ;  Wang, JY (Wang, Jia Yuan)[ 3,4 ] ;  Ge, SS (Ge, Shuang Shuang)[ 2 ] ;  Xie, YN (Xie, Yu Ning)[ 2 ] ;  Li, XR (Li, Xing Ru)[ 2,5 ] ;  Meng, F (Meng, Fan)[ 1 ] ;  Li, H (Li, Hong)[ 1 ]
2019-01
Source PublicationCHEMOSPHERE
Volume215Pages:413-421
Contribution Rank3
AbstractTSP and 9-stage size-segregated samples were simultaneously collected in Xi'an during the spring of 2013 and analyzed for organic aerosols (OA) on a molecular level. n-Alkanes were the dominant compound class during the whole campaign, followed by fatty acids. High molecular weight (HMW) n-alkanes and fatty acids dominated in the coarse mode particles (>1.1 mu m) during the dust event, indicating they were mostly originated from surface soil and plants in the upwind regions. Low-volatile anthropogenic compounds such as benzo(e)pyrene (BeP) and bisphenol A (BPA) dominated in the fine mode particles during the whole campaign. In contrast, semi-volatile anthropogenic compounds such as phenanthrene (Phe) and di-n-butyl phthalates (DBP) showed a bimodal size distribution with a significant increase in the coarse mode during the dust event due to their vaporization from the fine mode particles and the subsequent adsorption on the dust surface. Secondary organic aerosols (SOA) in Xi'an during the dust storm period were predominantly enriched on the coarse particles, which can be ascribed to the adsorption and subsequent oxidation of gas-phase hydrophilic organics on the aqueousphase of hygroscopic dust surface (e.g., mirabilite). Our work suggested an important role of multiphase reaction in evolution of aerosol chemistry during the dust long-range transport process. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordCHEMICAL-CHARACTERIZATION ATMOSPHERIC AEROSOLS SIZE-DISTRIBUTIONS PARTICLE EMISSIONS PHTHALATE-ESTERS INLAND CHINA OXALIC-ACID MEGA-CITY URBAN IDENTIFICATION
DOI10.1016/j.chemosphere.2018.10.064
Language英语
WOS IDWOS:000450383400046
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/11271
Collection粉尘与环境研究室
Affiliation1.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
2.East China Normal Univ, Sch Geog Sci, Minist Educ China, Key Lab Geog Informat Sci, Shanghai 200142, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Capital Normal Univ, Dept Chem, Analyt & Testing Ctr, Beijing 100048, Peoples R China
Recommended Citation
GB/T 7714
Ren, YQ , Wang, GH , Li, JJ ,et al. Evolution of aerosol chemistry in Xi'an during the spring dust storm periods: Implications for heterogeneous formation of secondary organic aerosols on the dust surface[J]. CHEMOSPHERE,2019,215:413-421.
APA Ren, YQ ., Wang, GH ., Li, JJ ., Wu, C ., Cao, C .,...& Li, H .(2019).Evolution of aerosol chemistry in Xi'an during the spring dust storm periods: Implications for heterogeneous formation of secondary organic aerosols on the dust surface.CHEMOSPHERE,215,413-421.
MLA Ren, YQ ,et al."Evolution of aerosol chemistry in Xi'an during the spring dust storm periods: Implications for heterogeneous formation of secondary organic aerosols on the dust surface".CHEMOSPHERE 215(2019):413-421.
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