城市重金属污染特征和其迁移转化浅析.pdf

20088 () Aug. , 2008 17 3 Journal of theCUN(Natural Sciences Edition) Vol. 17 No. 3 曹 斌, 夏建新 ( , 100081) : , ,: ,, .. ,, () (). : ; ; :Q3431 :A :2008) 1 城市重金属空间分布特点及来源分析 ,,. ,, , . 11 20( 0920mm) ,( ) , ()( [ 1] )(80,PM25 PM10) . ., [ 1] PM25 PM10, , , .20 70 , ,2002 [ 1] . , , [2] [3] . PbAggZnSbCrCu , ( 1) . : 985(No. CUN98533) . :( 1981- ) ,() , ,2005 , : . 3 : 41 1 [2- 4] Tab. 1 The comparision of heavy metals in the dust at part of the large and mediumsized cities in China[2- 4] Pb Cr Zn Cu 195 255 105 75 584 86 152 286 230 144 1673 5305 402 506 95 2455 372 - 112 - 1078 - 240 - :mgkg 1PbCr ZnCu 5 ~ 10. Cr, Cu, Pb Zn 14, 54, 79 69 .,Cr , . [5] , Cu 118 Pb 210 Zn 44 g 41. , ,, ,. , [2] . , . [6] , , , , ,,, ., , ., , . [7] ,, , ,ZnCu . [8] , . 4 ,Pb Zn ,; Cu As. 12 , , . ,, , , ,