Partition of polychlorinated dibenzo-p-dioxins and dibenzofurans distribution in water in both suspended solid and dissolved phases

被引:4
|
作者
Chen, Ming W. [1 ,2 ]
Wu, Yee L. [1 ,2 ]
Li, Hsing W. [1 ,2 ]
Wang, Lin C. [3 ]
Chien, Guo-Ping C. [3 ]
机构
[1] Natl Cheng Kung Univ, Dept Environm Engn, Tainan 70101, Taiwan
[2] Natl Cheng Kung Univ, Sustainable Environm Res Ctr, Tainan 70101, Taiwan
[3] Cheng Shiu Univ, Dept Chem & Mat Engn, Kaohsiung, Taiwan
来源
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2010年 / 45卷 / 02期
关键词
Partitions; PCDD/Fs; distribution; suspended solid/dissolved phase; PARTICULATE MATTER; SEDIMENT; RIVER; PENTACHLOROPHENOL; PCDFS; CHINA; SOILS; PCDDS;
D O I
10.1080/10934520903429840
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The contents of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) were measured in soil and water impacted by a chemical factory (chloralkali and pentachlorophenol) and both the PCDD/F contents in soil (14.4 mu g I-TEQ kg(-1)) and water (11.97 pg I-TEQ L-1) were heavily contaminated. Additionally, the PCDD/F distributions in the aquatic environment (suspended solid and dissolved phases) were investigated by performing a water tank experiment with 30 g of soil and 20 L of water. Moreover, the effects of PCDD/F distributions in water were estimated base on three soil sizes (26, 180 and 250 mu m). Analytical results indicated that the PCDD/F content in the suspended solid and dissolved phases was 2.19 mu g I-TEQ kg(-1) and 2.34 pg I-TEQ L-1, respectively, or 85.11% and 14.89%, respectively. The PCDD/F distribution in the suspended solid phase was dominant, while its distribution was independent of soil size. Additionally, placing soil with a high PCDD/F content in water increased the PCDD/F content in suspended solid phase. Moreover, the equation developed in this study can accurately predict the PCDD/F partition between the suspended solid and dissolved phases.
引用
收藏
页码:183 / 191
页数:9
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