Insight to ternary complexes of co-adsorption of norfloxacin and Cu(II) onto montmorillonite at different pH using EXAFS
Pei, ZG; Shan, XQ; Zhang, SZ; Kong, JJ; Wen, B; Zhang, J; Zheng, LR; Xie, YN; Janssens, K; Zhang J(张静); Zheng LR(郑黎荣); Xie YN(谢亚宁)
刊名JOURNAL OF HAZARDOUS MATERIALS
2011
卷号186期号:1页码:842-848
关键词Sorption Copper Norfloxacin EXAFS Montmorillonite
学科分类Engineering; Environmental Sciences & Ecology
DOI10.1016/j.jhazmat.2010.11.076
通讯作者[Pei, Zhi-Guo ; Shan, Xiao-Quan ; Zhang, Shu-Zhen ; Kong, Jing-Jing ; Wen, Bei] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China ; [Kong, Jing-Jing] Fujian Normal Univ, Sch Chem & Mat, Fuzhou 350007, Peoples R China ; [Zhang, Jing ; Zheng, Li-Rong ; Xie, Ya-Ning] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Lab, Beijing 100049, Peoples R China ; [Janssens, Koen] Univ Antwerp, Dept Chem, Ctr Micro & Trace Anal, B-2610 Antwerp, Belgium
文章类型Article
英文摘要Co-adsorption of norfloxacin (Nor) and Cu(II) on montmorillonite at pH 4.5, 7.0 and 9.0 was studied by integrated batch adsorption experiments and extended X-ray absorption fine structure (EXAFS) spectroscopy. Under such pH conditions the dominant species of Nor are cation (Nor(+)), zwitterion (Nor(+/-)), and anion (Nor(-)), respectively. Results indicated that Nor sorption decreased with an increase of solution pH. The presence of Cu(II) slightly suppressed the Nor(+) sorption at pH 4.5, while increased Nor(+/-) and Nor(-)sorption on montmorillonite at pH 7.0 and 9.0, respectively. In contrast, Nor increased Cu(II) adsorption at pH 4.5, but had little effect on the adsorption of Cu(II) on montmorillonite at pH 7.0 and 9.0. Spectroscopic results showed that, at pH 4.5, Nor(+) was sorbed on montmorillonite by the formation of outer-sphere montmorillonite-Nor-Cu(II) ternary surface complex. At pH 7.0, montmorillonite-Nor-Cu(II) and montmorillonite-Cu(II)-Nor ternary surface complexes co-exist. At pH 9.0, montmorillonite-Cu(II)-Nor ternary surface complex was likely formed, which was different to Cu(II)(Nor)(2) precipitate of the solution. (C) 2010 Elsevier B.V. All rights reserved.
类目[WOS]Engineering, Environmental ; Engineering, Civil ; Environmental Sciences
研究领域[WOS]Engineering ; Environmental Sciences & Ecology
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语种英语
WOS记录号WOS:000288102400107
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238587
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_实验物理中心
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Pei, ZG,Shan, XQ,Zhang, SZ,et al. Insight to ternary complexes of co-adsorption of norfloxacin and Cu(II) onto montmorillonite at different pH using EXAFS[J]. JOURNAL OF HAZARDOUS MATERIALS,2011,186(1):842-848.
APA Pei, ZG.,Shan, XQ.,Zhang, SZ.,Kong, JJ.,Wen, B.,...&谢亚宁.(2011).Insight to ternary complexes of co-adsorption of norfloxacin and Cu(II) onto montmorillonite at different pH using EXAFS.JOURNAL OF HAZARDOUS MATERIALS,186(1),842-848.
MLA Pei, ZG,et al."Insight to ternary complexes of co-adsorption of norfloxacin and Cu(II) onto montmorillonite at different pH using EXAFS".JOURNAL OF HAZARDOUS MATERIALS 186.1(2011):842-848.
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