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DOI10.1016/j.atmosenv.2017.04.003
Estimating relative contributions of primary and secondary sources of ambient nitrated and oxygenated polycyclic aromatic hydrocarbons
Zhuo, Shaojie1; Du, Wei1; Shen, Guofeng1,2,4; Li, Bengang1; Liu, Junfeng1; Cheng, Hefa1; Xing, Baoshan3; Tao, Shu1
发表日期2017-06-01
ISSN1352-2310
卷号159页码:126-134
英文摘要

Polycyclic aromatic hydrocarbons (PAHs) derivatives like nitrated and oxygenated PAHs (nitro- and oxy-PAHs) are of growing interests due to their direct and potentially high toxic properties. PAHs derivatives can be produced from primary sources and also can derive from photochemical reactions, however, works about the quantitative contributions of primary and secondary sources are scarce. In this study, levels and seasonal distributions of ambient nitro- and oxy-PAHs were studied in a megacity Nanjing located in East China and evaluated for relative contributions of different sources. The annual average concentrations of most PAH derivatives were generally lower than the levels found in north China, but higher than the levels reported for south China. The relative contributions of secondary formation ranged from 10% to 47% for nitro-PAHs and -60% for oxy-PAHs. The study suggested that typical source apportionment technologies could be adopted to investigate primary and secondary sources of PAHs derivatives when derivatives are simultaneously measured with parent PAHs and other source markers. Future studies are interesting to develop, evaluate and compare different source apportionment methodologies for PAHs derivatives. (C) 2017 Elsevier Ltd. All rights reserved.


英文关键词PAHs derivatives;Source apportionment;PCA-MLR;PMF;Megacity;Western YRD region
语种英语
WOS记录号WOS:000401594500011
来源期刊ATMOSPHERIC ENVIRONMENT
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/60092
作者单位1.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China;
2.Jiangsu Prov Acad Environm Sci, Prov Key Lab Environm Engn, Nanjing 210036, Jiangsu, Peoples R China;
3.Univ Massachusetts, Stockbridge Sch Agr, Amherst, MA 01003 USA;
4.US EPA, Natl Risk Management Res Lab, Durham, NC 27709 USA
推荐引用方式
GB/T 7714
Zhuo, Shaojie,Du, Wei,Shen, Guofeng,et al. Estimating relative contributions of primary and secondary sources of ambient nitrated and oxygenated polycyclic aromatic hydrocarbons[J]. 美国环保署,2017,159:126-134.
APA Zhuo, Shaojie.,Du, Wei.,Shen, Guofeng.,Li, Bengang.,Liu, Junfeng.,...&Tao, Shu.(2017).Estimating relative contributions of primary and secondary sources of ambient nitrated and oxygenated polycyclic aromatic hydrocarbons.ATMOSPHERIC ENVIRONMENT,159,126-134.
MLA Zhuo, Shaojie,et al."Estimating relative contributions of primary and secondary sources of ambient nitrated and oxygenated polycyclic aromatic hydrocarbons".ATMOSPHERIC ENVIRONMENT 159(2017):126-134.
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