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Occurrence, composition, source, and regional distribution of halogenated flame retardants and polybrominated dibenzo-p-dioxin/dibenzofuran in the soils of Guiyu, China
Xu, Pengjun1,2,3,5; Tao, Bu4; Zhou, Zhiguang1; Fan, Shuang1; Zhang, Ting1; Liu, Aimin1; Dong, Shuping1; Yuan, Jingli5; Li, Hong6; Chen, Jiping2; Huang, Yeru1
关键词Guiyu Soil Brominated Flame Retardant Dechlorane Plus Polybrominated Dibenzo-p-dioxin/dibenzofuran
刊名ENVIRONMENTAL POLLUTION
2017-09-01
DOI10.1016/j.envpol.2017.05.024
228页:61-71
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
关键词[WOS]WASTE RECYCLING SITE ; DIPHENYL ETHERS ; SOUTH CHINA ; DECHLORANE PLUS ; POLYCHLORINATED-BIPHENYLS ; SPATIAL-DISTRIBUTION ; FARMLAND SOILS ; SURFACE SOILS ; ORGANOCHLORINE PESTICIDES ; DECABROMODIPHENYL ETHANE
英文摘要Guiyu, China, is well-known for the crude disposal of electronic waste (EW) and severe persistent organic pollutants (POPs). Therefore, in this study, the occurrence, composition, and source of polybrominated diphenyl ethers (PBDEs), 2,2',4,4',5,5'-hexabromobiphenyl (BB153), some novel brominated flame retardants (NBFRs), Dechlorane Plus (DP) and polybrominated dibenzo-p-dioxins/dibenzofurans (PBDD/Fs) in farmland soils covering Guiyu, were studied. In EW disposal area soils, PBDEs were the most abundant FRs, with concentrations of 13-1014 ng g(-1) The primary PBDE sources were technical Penta- and Deca-BDE mixtures in northern and southern Guiyu, respectively. The levels of BB153 were relatively low, possibly because it has been banned in the 1970s. The concentrations of hexabromobenzene (HBB) were 0.048-33 ng g(-1), while pentabromoethylbenzene (PBEB) was almost not detected in the soils. Two alternatives to commercial PBDEs, decabromodiphenyl ethane (DBDPE) and 1,2-bis(2,4,6-tribromophenoxy) ethane (BTBPE), were the primary NBFRs, with concentrations of 1.8-153 ng g(-1) and 0.43-15 ng g(-1), respectively. DP was another primary FR, with concentrations of 0.57-146 ng g(-1). Moreover, syn-DP and anti-DP isomers were not stereoselectively decomposed during the EW disposal process and were therefore present in their original fractions in the soils. The levels of PBDD/Fs in EW disposal area soils were 2.5-17 pg TEQ g(-1). 1,2,3,4,6',7,8-HpBDF and OBDF were the dominant congeners, mainly derived from processing, pyrolysis and combustion of BFRs. The regional distribution of pollutants was shown to be related to the disposal manner of EW, with their open thermal disposal tending to release more highly brominated compounds such as BDE209, DBDPE, and 1,2,3,4,6,7,8-HpBDF. Additionally, some riverbank sites were heavily polluted because of nearby point sources, downwind Simapu (SMP) town without EW disposal activity was also contaminated by these pollutants. (C) 2017 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000405042100008
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152067
专题中国科学院大连化学物理研究所
作者单位1.Natl Res Ctr Environm Anal & Measurement, 1 South Yuhui Rd, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
4.Hebei Agr Univ, 289 Lingyusi St, Baoding 071001, Peoples R China
5.Dalian Univ Technol, 2 Linggong Rd, Dalian 116024, Peoples R China
6.Beijing Chaoyang Dist Environm Protect Monitoring, 5 South Nongzhan Rd, Beijing 100125, Peoples R China
推荐引用方式
GB/T 7714
Xu, Pengjun,Tao, Bu,Zhou, Zhiguang,et al. Occurrence, composition, source, and regional distribution of halogenated flame retardants and polybrominated dibenzo-p-dioxin/dibenzofuran in the soils of Guiyu, China[J]. ENVIRONMENTAL POLLUTION,2017,228:61-71.
APA Xu, Pengjun.,Tao, Bu.,Zhou, Zhiguang.,Fan, Shuang.,Zhang, Ting.,...&Huang, Yeru.(2017).Occurrence, composition, source, and regional distribution of halogenated flame retardants and polybrominated dibenzo-p-dioxin/dibenzofuran in the soils of Guiyu, China.ENVIRONMENTAL POLLUTION,228,61-71.
MLA Xu, Pengjun,et al."Occurrence, composition, source, and regional distribution of halogenated flame retardants and polybrominated dibenzo-p-dioxin/dibenzofuran in the soils of Guiyu, China".ENVIRONMENTAL POLLUTION 228(2017):61-71.
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