|
|||||
|
|
Selection of surfactant in remediation of DDT-contaminated soil by comparison of surfactant effectiveness |
|
| Authors: | Ping Guo Weiwei Chen Yueming Li Tao Chen Linhui Li Guanzhu Wang |
| Institution: | 1. Key Lab of Groundwater Resources and Environment, Ministry of Education, College of Environment and Resources, Jilin University, No. 2519 Jiefang Street, Changchun, 130021, China 2. Key Lab of Water Resources and Aquatic Environment of Jilin Province, College of Environment and Resources, Jilin University, No. 2519 Jiefang Street, Changchun, 130021, China 3. Jilin Province Electric Power Research Institute, No. 4433 Renmin Street, Changchun, 130021, China |
| Abstract: | 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. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |