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Characteristics of hopanoid hydrocarbons in ambient PM10 and motor vehicle emissions and coal ash in Taiyuan, China
Han, Feng1; Cao, Junji2; Peng, Lin1; Bai, Huiling1; Hu, Dongmei1; Mu, Ling1; Liu, Xiaofeng1
2015-10-01
发表期刊ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
ISSN0269-4042
卷号37期号:5页码:813-829
文章类型Article
摘要

Hopanoid hydrocarbon content in ambient particulate matter (PM) of less than or equal to 10 mu m aerodynamic diameter (PM10) was sampled at seven sites representative of different functional districts, and measured by gas chromatography-mass spectrometry. 17 alpha(H),21 beta(H)-hopane (C-30 alpha beta) and 17 alpha(H),21 beta(H)-30-norhopane (C-29 alpha beta) were dominant in all samples. Hopanes in motor vehicle emissions from various fuel-type engines (gasoline, diesel and natural gas) and coal ash were qualitatively measured, and the amount of C-30 alpha beta was about two to three times greater than that of C-29 alpha beta. Distinct seasonal variations (winter/summer differences) were observed at higher concentrations (45.54-108.29 ng/m(3)) of total hopanes in winter and lower (2.59-28.26 ng/m(3)) in summer. There were also clear spatial variations of hopanes in Taiyuan, with samples with greater hopane concentrations in downtown areas, but less in summer. The spatial distribution reversed in winter. Distributions and relative abundances of selected hopanes from PM10 and source emissions indicated that in summer, vehicle exhaust was the dominant fossil fuel combustion source (C-30 alpha beta was > C-29 alpha beta), and that the contribution of coal combustion was slightly greater at suburban sites. However, the contribution of coal combustion sources increased significantly at all sites in winter, especially in suburban areas, where C-29 alpha beta exceeded C-30 alpha beta. Hopanoid indexes revealed a classification of vehicle exhaust and coal combustion emissions in PM10. The results imply that during rapid urbanization, it is crucial to strengthen the construction of infrastructure such as central heating in new city districts and to increase the use of natural gas instead of residential coal burning.

关键词Particulate Matter Coal Combustion Emission Vehicle Exhaust Hopanes Taiyuan
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1007/s10653-015-9763-3
关键词[WOS]Polycyclic Aromatic-hydrocarbons ; Air-pollution Sources ; Particulate Organic-compounds ; Duty Diesel Trucks ; On-road Vehicles ; Source Apportionment ; Fine Particles ; Chemical-characterization ; Seasonal-variation ; Molecular Markers
收录类别SCI
语种英语
WOS研究方向Engineering ; Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Water Resources
WOS类目Engineering, Environmental ; Environmental Sciences ; Public, Environmental & Occupational Health ; Water Resources
WOS记录号WOS:000361800800003
出版者SPRINGER
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9248
专题粉尘与环境研究室
通讯作者Peng, Lin
作者单位1.Taiyuan Univ Technol, Coll Environm Sci & Engn, Taiyuan 030024, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
推荐引用方式
GB/T 7714
Han, Feng,Cao, Junji,Peng, Lin,et al. Characteristics of hopanoid hydrocarbons in ambient PM10 and motor vehicle emissions and coal ash in Taiyuan, China[J]. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH,2015,37(5):813-829.
APA Han, Feng.,Cao, Junji.,Peng, Lin.,Bai, Huiling.,Hu, Dongmei.,...&Liu, Xiaofeng.(2015).Characteristics of hopanoid hydrocarbons in ambient PM10 and motor vehicle emissions and coal ash in Taiyuan, China.ENVIRONMENTAL GEOCHEMISTRY AND HEALTH,37(5),813-829.
MLA Han, Feng,et al."Characteristics of hopanoid hydrocarbons in ambient PM10 and motor vehicle emissions and coal ash in Taiyuan, China".ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 37.5(2015):813-829.
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