Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles
Yue, WS; Lia, XL; Liu, JF; Li, Y; Yu, XH; Deng, B; Wan, TM; Zhang, GL; Huang, YY; He, W; Hua, W; Shao, LY; Li, WJ; Yang, SS; Huang YY(黄宇营); He W(何伟); Hua W(华巍)
刊名SCIENCE OF THE TOTAL ENVIRONMENT
2006
卷号368期号:2-3页码:916-925
关键词PM2.5 individual particle synchrotron radiation SEM-EDX source identification fingerprint
学科分类Environmental Sciences & Ecology
DOI10.1016/j.scitotenv.2006.03.043
通讯作者Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Synchrotron Radiat Lab, Beijing 100039, Peoples R China ; China Univ Min & Technol, Dept Resources & Earth Sci, Beijing 100083, Peoples R China
文章类型Article
英文摘要PM2.5 samples were collected simultaneously at three representative areas (central city, industrial area and clean air suburban) of Shanghai city. Their morphologies and elemental compositions were determined by scanning electron microscopy coupled with energy analysis (SEM-EDX). The particles were classified into four groups based on morphology and elemental composition. Soot aggregates and spherical fly ash particles were the two dominant types and they were identified as originating from automobile exhaust, metallurgical industry and coal combustion. The size distribution of the particles showed that most had diameters in the range of 0.2-1.4 mu m. Individual particles were measured by synchrotron radiation micro-beam X-ray fluorescence (micro-SXRF) and the micro-SXRF spectra were obtained. Pattern recognition techniques, which took the micro-SXRF spectrum of a single aerosol particle as its fingerprint, were used to identify the origins of the particles. Seven source types were identified. They were: metallurgical industry, vehicle exhaust, soil dust, coal combustion, diesel exhaust, oil combustion and motorcycle exhaust. Metallurgical industry, automobile exhaust, and coal combustion were recognized to be the main pollution sources Of PM2.5 in the air of Shanghai city. (c) 2006 Elsevier B.V. All rights reserved.
类目[WOS]Environmental Sciences
研究领域[WOS]Environmental Sciences & Ecology
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语种英语
WOS记录号WOS:000240270700042
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238736
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Yue, WS,Lia, XL,Liu, JF,et al. Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2006,368(2-3):916-925.
APA Yue, WS.,Lia, XL.,Liu, JF.,Li, Y.,Yu, XH.,...&华巍.(2006).Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles.SCIENCE OF THE TOTAL ENVIRONMENT,368(2-3),916-925.
MLA Yue, WS,et al."Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles".SCIENCE OF THE TOTAL ENVIRONMENT 368.2-3(2006):916-925.
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