Concentrations and partitioning of halogenated flame retardants in industrial water of Dongjiang River

被引：0
|
作者：
He M.-J. [1 ,2 ]
Li Q. [1 ]
Zhao J.-Y. [1 ]
Wang D.-X. [1 ]
机构：
[1] College of Resources and Environment Science, Southwest University, Chongqing
[2] Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing
来源：
Huanjing Kexue/Environmental Science | 2016年 / 37卷 / 07期
关键词：
Concentrations; Dongjiang River; Halogenated flame retardant; Industrial water; Partitioning;
D O I：
10.13227/j.hjkx.2016.07.016
中图分类号：
学科分类号：
摘要：
The concentrations and partitioning of Halogented Flame Retardants (HFRs) were measured in industrial water of Dongjiang River. Polybrominated biphenyl ether (PBDEs) was the predominant pollutant accounting for 41.0% of the HFRs, dominated by BDE209 in the particulate phase, with the concentration ranging from 1 102.3-3 666.9 pg·L-1. The concentrations of Tetrabromobisphenol A (TBBPA) ranged from 1 120.9-2 856.5 pg·L-1, accounting for 32.4% of total halogenated flame retardants. The concentrations of other flame retardants, such as Decabromodiphenyl ethane(DBDPE), dechlorane plus (DP) and Hexabromocyclododecanes (HBCDs), accounting for 16.3%, 7.3% and 3.0%, were in the ranges of 397.7-1 736.8, 235.7-778.1 and 9.5-266.8 pg·L-1, respectively. PBDEs, DBDPE, DP and HBCDs mainly existed in the particle phase, while TBBPA mainly existed in the dissolved phase due to its higher water solubility. Significant correlation between lgKoc and lgKow of HFRs was observed in the partitioning between the particulate phase and dissolved phase, but the observed organic carbon partition coefficients (lgKoc) were different from the predicted organic carbon partition coefficient (lgKoc), which may be controlled by the suspended particulate matter (SPM) content and dissolved organic carbon (DOC). In addition, whether the equilibrium was attained between dissolved phase and particle phase is another influencing factor for the observation. © 2016, Science Press. All right reserved.
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页码：2539 / 2546
页数：7
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