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Effect of Surfactant Tween 80 on the Anaerobic Degradation and Desorption of HCHs and DDX in Aged Soil under Saturated Condition with Low Liquid/Solid Ratio
Yang Su-Cai; Lei Mei; Chen Tong-Bin
KeywordSoil Pollution Bioremediation Desorption Experiments Pesticides Soils Surface Active Agents
Source PublicationSoil and Sediment Contamination
2014
Volume23Issue:7Pages:715-724
AbstractThe application of surfactant Tween 80 was investigated to accelerate the anaerobic degradation of HCHs (-, -, - and -hexachlorocyclohexane) and DDX (p,p-DDT, o,p-DDT, p,p-DDE and p,p-DDD) in aged soil from a former organochlorine pesticide manufacturing plant under saturated condition with low liquid/solid ratio (liquid/solid ratio = 0.50). The surfactant Tween 80 did not facilitate the degradation of HCHs and DDX in the soil used in this experiment. Subsequent desorption experiment results also showed that the surfactant Tween 80 did not increase the pollutant desorption from the soil. The results in this study are not in accordance with the results reported in previous literature. This difference might be due to the fact that the soils used in this experiment were polluted by HCHs and DDX for more than 20 years, and soil aging reduced the desorption of HCHs and DDX in soil. Furthermore, the surfactants might be adsorbed by soils in low liquid/solid ratio condition. 2014 Copyright Taylor Francis Group, LLC.
Indexed ByEI
Document TypeEI期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/31423
Collection历年回溯文献
Recommended Citation
GB/T 7714
Yang Su-Cai,Lei Mei,Chen Tong-Bin. Effect of Surfactant Tween 80 on the Anaerobic Degradation and Desorption of HCHs and DDX in Aged Soil under Saturated Condition with Low Liquid/Solid Ratio. 2014.
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