論文

査読有り
2014年

A highly hydrophilic water-insoluble nanofiber composite as an efficient and easily-handleable adsorbent for the rapid adsorption of cesium from radioactive wastewater

RSC ADVANCES
  • Hyunsik Bang
  • ,
  • Kei Watanabe
  • ,
  • Ryu Nakashima
  • ,
  • Wei Kai
  • ,
  • Kyung-Hun Song
  • ,
  • Jung Soon Lee
  • ,
  • Mayakrishnan Gopiraman
  • ,
  • Ick-Soo Kim

4
103
開始ページ
59571
終了ページ
59578
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1039/c4ra09713k
出版者・発行元
ROYAL SOC CHEMISTRY

Herein, we report a new Prussian blue nanoparticle (PBNPs) incorporated polyvinyl alcohol (PVA) composite nanofiber (c-PBNPs/PVA) for the rapid adsorption of cesium (C-s) from radioactive wastewater. Initially, various electrospinning parameters such as solvent, PVA wt%, PBNPs wt% and glutaraldehyde (GA) wt% were extensively optimized to obtain a better physicochemical property of the c-PBNPs/PVA. In order to improve the water insoluble nature of the PVA, post cross-linking was carried out for the c-PBNPs/PVA using glutaraldehyde (GA) and HCl vapor as the cross-linker and catalyst, respectively. SEM images revealed the smooth and continuous morphology of the c-PBNPs/PVA composite nanofibers with diameters of 200-300 nm and lengths up to several millimeters. TEM images confirmed homogeneous dispersion and good incorporation of PBNPs into the PVA matrix. The amorphous nature of the c-PBNPs/PVA was confirmed by the XRD analysis. FT-IR spectra showed successful cross-linking of PVA with GA. It was found that the prepared composite nanofiber is highly hydrophilic and water-insoluble. The c-PBNPs/PVA showed an excellent and faster C-s adsorption rate of 96% after only 100 min. These results are comparable to those previously reported. After the C-s adsorption test, the c-PBNPs/PVA composite nanofiber can be easily separated from the wastewater.

Web of Science ® 被引用回数 : 22

リンク情報
DOI
https://doi.org/10.1039/c4ra09713k
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000345652300086&DestApp=WOS_CPL
ID情報
  • DOI : 10.1039/c4ra09713k
  • ISSN : 2046-2069
  • Web of Science ID : WOS:000345652300086

エクスポート
BibTeX RIS