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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
	Lei M.
	2014
关键词	Contaminated site bioremediation organochlorine pesticides surfactant Tween 80 persistent organic pollutants zero-valent iron hexachlorocyclohexane hch nonionic surfactants mass-transfer biodegradation residues bioavailability dechlorination transformation
英文摘要	The 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 20years, 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.
出处	Soil & Sediment Contamination
卷	23
期	7
页	715-724
收录类别	SCI
语种	英语
ISSN号	1532-0383
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/29460]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Lei M.. 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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