Selection of surfactant in remediation of DDT-contaminated soil by comparison of surfactant effectiveness

被引：24
|
作者：
Guo, Ping [1 ,2 ]
Chen, Weiwei [1 ,2 ]
Li, Yueming [1 ,2 ]
Chen, Tao [3 ]
Li, Linhui [1 ,2 ]
Wang, Guanzhu [1 ,2 ]
机构：
[1] Jilin Univ, Coll Environm & Resources, Minist Educ, Key Lab Groundwater Resources & Environm, Changchun 130021, Peoples R China
[2] Jilin Univ, Coll Environm & Resources, Key Lab Water Resources & Aquat Environm Jilin Pr, Changchun 130021, Peoples R China
[3] Jilin Prov Elect Power Res Inst, Changchun 130021, Peoples R China
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2014年 / 21卷 / 02期
关键词：
DDT; Surfactant; Remediation; Solubilization; Desorption; Adsorption; Ecotoxicity; POLYCYCLIC AROMATIC-HYDROCARBONS; WATER SOLUBILITY ENHANCEMENTS; NONIONIC SURFACTANTS; TRITON X-100; ADSORPTION; DESORPTION; SORPTION; REMOVAL; PHENANTHRENE; NAPHTHALENE;
D O I：
10.1007/s11356-013-1993-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
With an aim to select the most appropriate surfactant for remediation of DDT-contaminated soil, the performance of nonionic surfactants Tween80, TX-100, and Brij35 and one anionic surfactant sodium dodecyl benzene sulfonate (SDBS) in enhancement of DDT water solubility and desorption of DDT from contaminated soil and their adsorption onto soil and ecotoxicities were investigated in this study. Tween80 had the highest solubilizing and soil-washing ability for DDT among the four experimental surfactants. The adsorption loss of surfactants onto soil followed the order of TX-100 > Tween80 > Brij35 > SDBS. The ecotoxicity of Tween80 to ryegrass (Lolium perenne L.) was lowest. The overall performance considering about the above four aspects suggested that Tween80 should be selected for the remediation of DDT-contaminated soil, because Tween80 had the greatest solubilizing and soil-washing ability for DDT, less adsorption loss onto soil, and the lowest ecotoxicity in this experiment.
引用
收藏
页码：1370 / 1379
页数：10
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