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题名: Sorption of pharmaceuticals and personal care products to polyethylene debris
作者: Wu, Chenxi1; Zhang, Kai1, 2; Huang, Xiaolong1, 2; Liu, Jiantong1
关键词: Microplastics ; PPCPs ; Sorption ; Hydrophobic interaction ; Salinity ; Dissolved organicmatter
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2016-05-01
DOI: 10.1007/s11356-016-6121-7
卷: 23, 期:9, 页:8819-8826
收录类别: SCI ; ISTP
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Presence of plastic debris in marine and freshwater ecosystems is increasingly reported. Previous research suggested plastic debris had a strong affiliation for many pollutants, such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and heavy metals. In this study, the sorption behavior of pharmaceuticals and personal care products (PPCPs), including carbamazepine (CBZ), 4-methylbenzylidene camphor (4MBC), triclosan (TCS), and 17 alpha-ethinyl estradiol (EE2), to polyethylene (PE) debris (250 to 280 mu m) was investigated. The estimated linear sorption coefficients (K-d) are 191.4, 311.5, 5140, and 53,225 L/kg for CBZ, EE2, TCS, and 4MBC, and are related to their hydrophobicities. Increase of salinity from 0.05 to 3.5 % did not affect the sorption of 4MBC, CBZ, and EE2 but enhanced the sorption of TCS, likely due to the salting-out effect. Increase of dissolved organic matter (DOM) content using Aldrich humic acid (HA) as a proxy reduced the sorption of 4MBC, EE2, and TCS, all of which show a relatively strong affiliation to HA. Results from this work suggest that microplastics may play an important role in the fate and transport of PPCPs, especially for those hydrophobic ones.
关键词[WOS]: DISSOLVED ORGANIC-MATTER ; MARINE-SEDIMENTS ; PLASTIC DEBRIS ; ESTUARINE CONDITIONS ; TRACE-METALS ; MICROPLASTICS ; ENVIRONMENT ; ACCUMULATION ; DEGRADATION ; SHORELINES
语种: 英语
WOS记录号: WOS:000375412600064
ISSN号: 0944-1344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27953
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu South Rd 7, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
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