Hydrophobic sorption behaviors of 17β-Estradiol on environmental microplastics 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Chemosphere: Environmental toxicology and risk assessment
年/卷/期
2019 / 226 / Jul.
页码
726-735
ISSN号
0045-6535
作者单位
East China Normal Univ, Shanghai Key Lab Urban Ecol Proc & Ecorestorat, Sch Ecol & Environm Sci, Shanghai 200241, Peoples R China|Inst Ecochongming, Shanghai 200062, Peoples R China;China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China;East China Normal Univ, Shanghai Key Lab Urban Ecol Proc & Ecorestorat, Sch Ecol & Environm Sci, Shanghai 200241, Peoples R China|Inst Ecochongming, Shanghai 200062, Peoples R China;China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China|Inst Ecochongming, Shanghai 200062, Peoples R China;Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA;
作者
Liu, Xuemin;Xu, Jiang;Zhao, Yaping;Shi, Huahong;Huang, Ching-Hua;
摘要
Microplastics (MPs) have been regarded as a vector for contaminants and greatly affect the migration and fate of hydrophobic organic compounds (HOCs) in marine water. In this study, the sorption behavior of 17 beta-estradiol (E2) on MPs was investigated in marine water system. The sorption capacity of E2 varied greatly with the chemical structures of MPs. The adsorption or partition contribution of E2 sorption on MPs was well quantified with adsorption-partition dual-mode model mechanism. The hydrophobic partition dominantly regulates the sorption of E2 due to the high crystallinity of MPs and high accessibility of amorphous domain of rubbery MPs. Smaller particle size benefits the sorption of E2 on same kind of MPs. The salinity and dissolved organic matter (DOM) have minor effect on E2 sorption by MPs in real marine water. The result shows that the MPs greatly influence the transportation of E2 and cause potential environmental risk to marine ecosystem. (C) 2019 Elsevier Ltd. All rights reserved.
机翻摘要
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关键词/主题词
Microplastics;17 beta-estradiol;Hydrophobic partition;Surface adsorption;
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