Zhang, Haibo
; Wang, Jiaqing; Zhou, Bianying; Zhou, Yang; Dai, Zhenfei; Zhou, Qian; Christie, Peter; Luo, Yongming发表期刊ENVIRONMENTAL POLLUTION
ISSN0269-7491
2018-12
卷号243期号:B页码:1550-1557
关键词AntibioticsAdsorptionMicroplasticsPolystyrene foamAging surface
研究领域Environmental Sciences & Ecology
DOI10.1016/j.envpol.2018.09.122
产权排序[Zhang, Haibo; Wang, Jiaqing; Zhou, Bianying] Zhejiang Agr & Forestry Univ, Sch Environm & Resources, Hangzhou 311300, Zhejiang, Peoples R China; [Christie, Peter; Luo, Yongming] Chinese Acad Sci, Nanjing Inst Soil Sci, Nanjing 210008, Jiangsu, Peoples R China; [Zhou, Yang; Dai, Zhenfei; Zhou, Qian] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
作者部门中国科学院海岸带环境过程重点实验室
英文摘要Microplastic polystyrene foam has been found widely in the environment and is readily transported by wind or water. Beached and virgin foams of size 0.45-1 mm were prepared as sorbents to study oxytetracycline sorption. Enhanced adsorption were found in the beached foams compared to the virgin foams, corresponding to the higher specific surface area, micropore area and the degree of oxidation of the former. The Freundlich K-f value was 894 +/- 84 ((mg kg(-1)) (mg L-1)(1/n))for oxytetracycline adsorption on the beached foams, approximately twice as high as on the virgin foams. Effects of solution pH on adsorption to the beached foams were more pronounced to the virgin foams. Maximum adsorption occurred at pH 5 at which electrostatic repulsion between the microplastic surface and the oxytetracycline zwitterion was minimal, indicating that electrostatic interaction may have regulated adsorption. Moreover, H-bonding and multivalent cationic bridging mechanisms may also have affected the adsorption of oxytetracycline to the beached foams as reflected by the ionic effects. Adsorption was promoted more in the presence of humic acid than of fulvic acid, perhaps owing to pi-pi conjugation between the humic acid and the microplastic surface which led to enhanced electrostatic attraction for oxytetracycline. This study suggests that weathered polystyrene foams may act as carriers of antibiotics in the environment and their potential risks to ecosystem and human health merit further investigation. (C) 2018 Elsevier Ltd. All rights reserved.
文章类型Article
资助机构National Natural Science Foundation of China [41771351]; Zhejiang Agriculture and Forestry University [2017FR021]; Key Project of the Chinese Academy of Sciences [QYZDJ-SSW-DQC05]
收录类别SCI
语种英语
关键词[WOS]SOUTH CHINA; ORGANIC-MATTER; HUMIC-ACID; BOHAI SEA; ANTIBIOTICS; SORPTION; TETRACYCLINE; BEACHES; DEBRIS; WATER
研究领域[WOS]Environmental Sciences
WOS记录号WOS:000449892700080
引用统计被引频次：181[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/24587
专题中科院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室
中科院海岸带环境过程与生态修复重点实验室
作者单位1.Zhejiang Agr & Forestry Univ, Sch Environm & Resources, Hangzhou 311300, Zhejiang, Peoples R China;
2.Chinese Acad Sci, Nanjing Inst Soil Sci, Nanjing 210008, Jiangsu, Peoples R China;
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
推荐引用方式
GB/T 7714Zhang, Haibo,Wang, Jiaqing,Zhou, Bianying,et al. Enhanced adsorption of oxytetracycline to weathered microplastic polystyrene: Kinetics, isotherms and influencing factors[J]. ENVIRONMENTAL POLLUTION,2018,243(B):1550-1557.
APAZhang, Haibo.,Wang, Jiaqing.,Zhou, Bianying.,Zhou, Yang.,Dai, Zhenfei.,...&Luo, Yongming.(2018).Enhanced adsorption of oxytetracycline to weathered microplastic polystyrene: Kinetics, isotherms and influencing factors.ENVIRONMENTAL POLLUTION,243(B),1550-1557.
MLAZhang, Haibo,et al."Enhanced adsorption of oxytetracycline to weathered microplastic polystyrene: Kinetics, isotherms and influencing factors".ENVIRONMENTAL POLLUTION 243.B(2018):1550-1557.
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