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Effect of cationic and anionic surfactants on the sorption and desorption of perfluorooctane sulfonate (PFOS) on natural sediments
Pan, Gang; Jia, Chengxia; Zhao, Dongye; You, Chun; Chen, Hao; Jiang, Guibin
2009-01
Source PublicationENVIRONMENTAL POLLUTION
Volume157Issue:1Pages:325-330
AbstractSorption and desorption of PFOS at water-sediment interfaces were investigated in the presence of a cationic surfactant, cetyltrimethylammonium bromide (CTAB), and an anionic surfactant, sodium dodecylbenzene sulfonate (SDBS). CTAB remarkably enhanced the sorption of PFOS on the sediment. In contrast, the influence of SDBS to the sorption of PFOS was concentration dependent Two contrasting factors were responsible for the phenomenon. One was the sorption of the surfactant itself to the sediment, which enhanced the sorption of PFOS. The other was the increase in solubility of PFOS caused by the adding of surfactants, which decreased the sorption of PFOS. SDBS had a much lower sorption capacity, but rather strong ability to increase the solubility of PFOS. High levels of SDBS remarkably reduced the sorption of PFOS on the sediment. These results imply that cationic and anionic surfactants may have contrast impacts on the distribution and transport of PFOS in the environment. (c) 2008 Elsevier Ltd. All rights reserved.
Department环境化学与生态毒理学国家重点实验室
KeywordOrganic Matter Sorption Distribution Environmental Fate Pfos Remediation Surfactants
Citation statistics
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/21489
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
GB/T 7714
Pan, Gang,Jia, Chengxia,Zhao, Dongye,et al. Effect of cationic and anionic surfactants on the sorption and desorption of perfluorooctane sulfonate (PFOS) on natural sediments[J]. ENVIRONMENTAL POLLUTION,2009,157(1):325-330.
APA Pan, Gang,Jia, Chengxia,Zhao, Dongye,You, Chun,Chen, Hao,&Jiang, Guibin.(2009).Effect of cationic and anionic surfactants on the sorption and desorption of perfluorooctane sulfonate (PFOS) on natural sediments.ENVIRONMENTAL POLLUTION,157(1),325-330.
MLA Pan, Gang,et al."Effect of cationic and anionic surfactants on the sorption and desorption of perfluorooctane sulfonate (PFOS) on natural sediments".ENVIRONMENTAL POLLUTION 157.1(2009):325-330.
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