MISC

2000年2月

Permeation behavior of rare earth metals with a calix[4]arene carboxyl derivative in a hollow-fiber membrane

JOURNAL OF MEMBRANE SCIENCE
  • F Kubota
  • ,
  • T Kakoi
  • ,
  • M Goto
  • ,
  • S Furusaki
  • ,
  • F Nakashio
  • ,
  • T Hano

165
2
開始ページ
149
終了ページ
158
記述言語
英語
掲載種別
DOI
10.1016/S0376-7388(99)00231-8
出版者・発行元
ELSEVIER SCIENCE BV

Extraction of three rare earth metals (Er, Ho and Y) was performed by a microporous hydrophobic hollow-fiber membrane extractor using a novel calix[4]arene carboxyl derivative in toluene. It was found that the permeation rate through the membrane of metal ions with calix[4]arene carboxyl derivative was relatively slow, while the addition of a small amount of sodium ion into the aqueous solution drastically accelerated the permeation rate and also enhanced the selectivity between heavy rare earth metals (Er and Ho) and Y. The experimental results obtained under a variety of conditions were analyzed by a diffusion model which combined with the complexation reaction at the aqueous-organic interface, taking account of the velocity distribution of the aqueous and organic solutions through the inner and outer sides, respectively, of the hollow-fiber membrane extractor. The model well explained the permeation behavior of the rare earth metals through the membrane and the role of sodium ion on the acceleration effect of the permeation rate. (C)2000 Elsevier Science B.V. All rights reserved.

Web of Science ® 被引用回数 : 12

リンク情報
DOI
https://doi.org/10.1016/S0376-7388(99)00231-8
CiNii Articles
http://ci.nii.ac.jp/naid/80011429932
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000084837500001&DestApp=WOS_CPL