Adsorption of Antibiotics on Graphene and Biochar in Aqueous Solutions Induced by pi-pi Interactions
Peng, BQ; Chen, L; Que, CJ; Yang, K; Deng, F; Deng, XY; Shi, GS; Xu, G; Wu, MH; 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.
2016
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6页码:-
文章类型期刊论文
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.
DOI10.1038/srep31920
收录类别SCI
语种英语
WOS记录号WOS:000381565400001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26421
专题中科院上海应用物理研究所2011-2018年
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.
推荐引用方式
GB/T 7714
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,2016,6:-.
APA Peng, BQ.,Chen, L.,Que, CJ.,Yang, K.,Deng, F.,...&Wu, MH .(2016).Adsorption of Antibiotics on Graphene and Biochar in Aqueous Solutions Induced by pi-pi Interactions.SCIENTIFIC REPORTS,6,-.
MLA Peng, BQ,et al."Adsorption of Antibiotics on Graphene and Biochar in Aqueous Solutions Induced by pi-pi Interactions".SCIENTIFIC REPORTS 6(2016):-.
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