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题名:
Chemical composition of PM2.5 from two tunnels with different vehicular fleet characteristics
作者: Cui, M; Chen, YingJun(陈颖军); Tian, CG; Zhang, F; Yan, CQ; Zheng, M
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN号: 0048-9697
出版日期: 2016-04-15
卷号: 550, 页码:123-132
关键词: PM2.5 ; Tunnels ; Emission factors
DOI: 10.1016/j.scitotenv.2016.01.077
产权排序: [Cui, Min; Chen, Yingjun; Tian, Chongguo; Zhang, Fan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai, Peoples R China; [Chen, Yingjun] Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, China Meteorol Adm, Shanghai 200092, Peoples R China; [Yan, Caiqing; Zheng, Mei] Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China; [Cui, Min; Zhang, Fan] Univ Chinese Acad Sci, Beijing, Peoples R China
通讯作者: Chen, YJ (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai, Peoples R China. ; Zheng, M (reprint author), Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China.
作者部门: 中科院海岸带环境过程与生态修复重点实验室
英文摘要: The chemical compositions of PM(2.)5 including OC, EC, water soluble ions, elements, and organic components such as polycyclic aromatic hydrocarbons (PAHs), hopanes, and steranes, emitted in Wuzushan (WZS) and Kuixinglou (IOW tunnels were determined. WZS tunnel is a major route for diesel vehicles traveling, while KXL tunnel has limited to diesel vehicles. The results showed that the proportions of the different constituents of PM2.5 in the Wuzushan (WZS) tunnel were OC (27.7%), EC (32.1%), elements (13.9%), and water soluble ions (9.2%). Whereas the chemical profile of PM2.5 in the Kuixinglou (KXL) tunnel was OC (17.7%), EC (10.4%), elements (8.90%), and water soluble ions (8.87%). The emission factors (EFs) of PM2.5 and proportions of SO42- and Pb were decreased by vehicle emission standards and fuel quality policy in China, and the higher molecular weight PAHs (4 + 5 + 6 rings) were more abundant than the lower molecular weight PAH5 (2 + 3 rings) in the two tunnels. The proportions of 17A( H)-21B(H)-30-Norhopane and 17A(H)-21B(H)-Hopane in the hopane and sterane were not dependent on the vehicles types. In addition, specific composition profiles for PM2.5 from gasoline -fueled vehicles (CV) and diesel-fueled vehicles (DV) emissions were drafted, which indicated that OC (0.974 mg.veh(-1).km(-1)) was the most abundant component in PM2.5, followed by Fe, CI, and Mg for GV. The relative proportions of the different constituents in the PM2.5 for DV were EC (35.9%), OC (27.2%), elements (12.8%), and water soluble ions (117%). Both the PM2.5 ER and EC proportions in DV were higher than those in GV, and the HMW PAHs were the dominant PAHs for both GV and DV. The PM2.5 emissions from the vehicles in Yantai were 581 +/- 513 tons to 1353 +/- 1197 tons for GV, and 19,627 +/- 2477 tons to 23,042 +/- 2887 tons for DV, respectively. (C) 2016 Elsevier B.V. All rights reserved.
研究领域[WOS]: Environmental Sciences & Ecology
项目资助者: CAS Strategic Priority Research Program(XDB05030303) ; National Natural Science Foundation of China(41273135 ; 41473091 ; 41121004 ; 21190050)
关键词[WOS]: POLYCYCLIC AROMATIC-HYDROCARBONS ; VEHICLE EMISSION CONTROL ; ON-ROAD VEHICLES ; PARTICULATE MATTER PM2.5 ; HEAVY-DUTY VEHICLES ; DIESEL VEHICLES ; LOS-ANGELES ; REGULATED POLLUTANTS ; SOURCE APPORTIONMENT ; DRIVING CONDITIONS
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000371226700015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/10840
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia
2.Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, China Meteorol Adm
3.Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con
4.Univ Chinese Acad Sci

Recommended Citation:
Cui, M,Chen, YJ,Tian, CG,et al. Chemical composition of PM2.5 from two tunnels with different vehicular fleet characteristics[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,550:123-132.
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