Coadsorption of copper and perfluorooctane sulfonate onto multi-walled carbon nanotubes
文献类型：期刊论文
| 作者 | Zhou, Yanping ; Wen, Bei ; Pei, Zhiguo ; Chen, Guangcai ; Lv, Jitao ; Fang, Jing ; Shan, Xiaoquan ; Zhang, Shuzhen |
| 刊名 | CHEMICAL ENGINEERING JOURNAL
 |
| 出版日期 | 2012 |
| 卷号 | 203页码:148－157 |
| 关键词 | Co-adsorption Desorption PFOS Cu(II) MWCNTs X-ray absorption spectroscopy |
| ISSN号 | 1385-8947 |
| 中文摘要 | Multi-walled carbon nanotubes (MWCNTs) are superadsorbents for perfluorooctane sulfonate (PFOS) and heavy metals, which coexist in wastewater. The interaction between PFOS and Cu(II) with regard to their adsorption and desorption on MWCNTs was evaluated in this study. The adsorption of PFOS on MWCNTs enhanced with an increase of Cu(II). Desorption of PFOS showed no hysteresis without Cu(II), while pronounced hysteresis with Cu(II). Increases of the adsorption and the occurrence of desorption hysteresis of PFOS in the presence of Cu(II) may due to the PFOS adsorption via a Cu(II) bridge. The adsorption of Cu(II) increased with an increase of PFOS. The desorption hysteresis factors in the presence of PFOS were lower than those in the absence of PFOS. Increases of the adsorption and decreases of desorption hysteresis factors may be attributed to the Cu(II) adsorption via a PFOS bridge. Results obtained by X-ray absorption spectroscopy verified the formation of inner-sphere complexes between Cu(II) and functional groups of MWCNTs without PFOS, while out-sphere complexes with large amount of PFOS. The effect of Cu(II) and PFOS adsorption on the zeta potential of MWCNTs was also studied. The results showed that the coexistence of Cu(II) and PFOS greatly affects their sorption and desorption behaviors on MWCNTs thereby their fate and transport in wastewater. (C) 2012 Elsevier B.V. All rights reserved. |
| WOS记录号 | WOS:000309630300019 |
| 公开日期 | 2014-11-04 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/7736]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Zhou, Yanping,Wen, Bei,Pei, Zhiguo,et al. Coadsorption of copper and perfluorooctane sulfonate onto multi-walled carbon nanotubes[J]. CHEMICAL ENGINEERING JOURNAL,2012,203:148－157. |
| APA | Zhou, Yanping.,Wen, Bei.,Pei, Zhiguo.,Chen, Guangcai.,Lv, Jitao.,...&Zhang, Shuzhen.(2012).Coadsorption of copper and perfluorooctane sulfonate onto multi-walled carbon nanotubes.CHEMICAL ENGINEERING JOURNAL,203,148－157. |
| MLA | Zhou, Yanping,et al."Coadsorption of copper and perfluorooctane sulfonate onto multi-walled carbon nanotubes".CHEMICAL ENGINEERING JOURNAL 203(2012):148－157. |
入库方式： OAI收割
来源：生态环境研究中心
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