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题名:
Adsorption of Antibiotics on Graphene and Biochar in Aqueous Solutions Induced by pi-pi Interactions
作者: Peng, BQ; Chen, L; Que, CJ; Yang, K; Deng, F; Deng, XY; Shi, GS; Xu, G; Wu, MH
刊名: SCIENTIFIC REPORTS
出版日期: 2016
卷号: 6, 页码:-
DOI: 10.1038/srep31920
通讯作者: Xu, G (reprint author), Shanghai Univ, Sch Environm & Chem Engn, 99 Shangda Rd, Shanghai 200444, Peoples R China. ; Shi, GS (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China. ; Shi, GS (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China. ; Wu, MH (reprint author), Shanghai Univ, Shanghai Appl Radiat Inst, 99 Shangda Rd, Shanghai 200444, Peoples R China.
文章类型: 期刊论文
英文摘要: The use of carbon based materials on the removal of antibiotics with high concentrations has been well studied, however the effect of this removal method is not clear on the actual concentration of environments, such as the hospital wastewater, sewage treatment plants and aquaculture wastewater. In this study, experimental studies on the adsorption of 7 antibiotics in environmental concentration of aqueous solutions by carbon based materials have been observed. Three kinds of carbon materials have shown very fast adsorption to antibiotics by liquid chromatography-tandem mass spectrometry (LC-MS-MS) detection, and the highest removal efficiency of antibiotics could reach to 100% within the range of detection limit. Surprisedly, the adsorption rate of graphene with small specific surface area was stronger than other two biochar, and adsorption rate of the two biochar which have approximate specific surface and different carbonization degree, was significantly different. The key point to the present observation were the pi-pi interactions between aromatic rings on adsorbed substance and carbon based materials by confocal laser scanning microscope observation. Moreover, adsorption energy markedly increased with increasing number of the pi rings by using the density functional theory (DFT), showing the particular importance of pi-pi interactions in the adsorption process.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000381565400001
ISSN号: 2045-2322
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26421
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Peng, BQ,Chen, L,Que, CJ,et al. Adsorption of Antibiotics on Graphene and Biochar in Aqueous Solutions Induced by pi-pi Interactions[J]. SCIENTIFIC REPORTS,2016-01-01,6:-.
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