Application of Macrocyclic Ether as Carrier in Emulsion Liquid Membrane Technology

李伟宣; 施亚钧

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Application of Macrocyclic Ether as Carrier in Emulsion Liquid Membrane Technology

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- Application of Macrocyclic Ether as Carrier in Emulsion Liquid Membrane Technology
- CIESC Journal Issue 1, (1992)
- 作者机构：
  
  中国科学院化工冶金研究所,华东化工学院化学工程研究所北京100080,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 February 1992，
  
  Published：25 February 1992
- 稿件说明：
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李伟宣, 施亚钧. Application of Macrocyclic Ether as Carrier in Emulsion Liquid Membrane Technology[J]. CIESC Journal, 1992, (1).
DOI：

李伟宣, 施亚钧. Application of Macrocyclic Ether as Carrier in Emulsion Liquid Membrane Technology[J]. CIESC Journal, 1992, (1). DOI：

摘要

在大环多元醚应用方面

实现了以DB-18-C-6为载体

乳化液膜法分离钾、钠离子的工艺.实验结果表明

内水相试剂、外水相中阴离子的性质、膜相溶剂以及冠醚与金属阳离子的匹配均对乳化液膜的提取效果有极大的影响.扩散控制的传质模型与实验结果有较好的一致性.

Abstract

By using DB-18-C-6 as a carrier

K+ and Na+ were separated by emulsion liquid membrane. Such a liquid membrane system has evolved to a practical stage in a new area of the application of macrocyclic ether. Experimental results showed that the extractibility of emulsion liquid membrane depended on the reagent in the inner aqueous phase

the anion in the outer aqueous phase

membrane solvent

and the crown ethers pairing with the metal cation. A mass transfer model of diffusion was proposed and agreed with the experimental results well.

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