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题名: Polychlorinated dibenzo-p-dioxins and dibenzofurans in soils and sediments from Daliao River Basin, China
作者: Zhang, Haijun1;  Ni, Yuwen1;  Chen, Jiping1;  Su, Fan1;  Lu, Xianbo1;  Zhao, Liang1;  Zhang, Qing1;  Zhang, Xueping1
关键词: PCDD/F ;  Daliao River ;  Principal component analysis ;  Possible sources ;  Organochlorine chemicals ;  Metal smelting
刊名: CHEMOSPHERE
发表日期: 2008-11-01
DOI: 10.1016/j.chemosphere.2008.07.067
卷: 73, 期:10, 页:1640-1648
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/F) were analyzed in surface sediments and top soils collected from 30 sites in Daliao River Basin. The concentrations of PCDD/F ranged from 0.28 to 29.01 ng TEQ kg(-1) dw (mean value, 7.45 ng TEQkg(-1) dw) in sediments, and from 0.31 to 53.05 ng TEQ kg(-1) dw (mean value, 7.00 ng TEQ kg(-1) dw) in soils. PCDD/F pollution in sediments from the mid- and downstream sections of Hun River was found to be relatively heavy, and the levels of PCDD/F contamination in paddy soils were generally higher than those of upland soils. Using multivariate statistical analysis, the PCDD/F homologue and congener profiles of all soil and sediment samples were compared with those of suspected PCDD/F sources. The results showed that, PCDD/F contamination in most sediments of Hun River should mainly originated from the production of organochlorine chemicals, while metal smelting was the important potential source of PCDD/F in the drainage area of Taizi River. PCDD/F contamination in paddy soils should be simultaneously attributed to the polluted water irrigation and the organochlorine pesticide application. (C) 2008 Elsevier Ltd. All rights reserved.
关键词[WOS]: VINYL-CHLORIDE MONOMER ;  YA-ER LAKE ;  UNITED-STATES ;  ETHYLENE DICHLORIDE ;  MASS-BALANCE ;  PADDY SOILS ;  PCDFS ;  PCDDS ;  CONTAMINATION ;  EMISSIONS
语种: 英语
WOS记录号: WOS:000261561600010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140798
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Haijun,Ni, Yuwen,Chen, Jiping,et al. Polychlorinated dibenzo-p-dioxins and dibenzofurans in soils and sediments from Daliao River Basin, China[J]. CHEMOSPHERE,2008,73(10):1640-1648.
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