The chemical composition and sources of PM10 in urban road dust

被引：5
|
作者：
Jia, Yahong [1 ]
Peng, Lin [1 ]
Mu, Ling [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Environm Scince & Engn, Taiyuan 030024, Shanxi, Peoples R China
来源：
FRONTIERS OF GREEN BUILDING, MATERIALS AND CIVIL ENGINEERING, PTS 1-8 | 2011年 / 71-78卷
关键词：
road dust; chemical composition characterization; source apportionment;
D O I：
10.4028/www.scientific.net/AMM.71-78.2749
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Samples of road dust were collected in Changzhi, Taiyuan and Jincheng in Shanxi Province, the characteristics of the chemical composition of fine particles (diameter <= 10 mu m)and the chemical profiles of road dust obtained from different cities were analyzed, the "double source apportion" technology was applied to identify the source of road dust. Results show that: the chemical profiles of road dust vary significantly in different regions, however, all contain a high percentage of Si, Ca, Al, TC and OC, with the highest content of Si; Road dust originates mainly from soil dust, smoke and dust from coal and cement dust, and their contributions to road dust are 50%,25% and 15% in Changzhi, 47%,26% and 20% in Taiyuan,48%,21% and 22% in Jincheng, respectively.
引用
收藏
页码：2749 / 2752
页数：4
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