A REACTION DIFFUSION MODEL FOR EXTRACTING SCANDIUM WITH EMULSION LIQUID MEMBRANE (ELM)

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A REACTION DIFFUSION MODEL FOR EXTRACTING SCANDIUM WITH EMULSION LIQUID MEMBRANE (ELM)

更新时间：2025-12-16

- A REACTION DIFFUSION MODEL FOR EXTRACTING SCANDIUM WITH EMULSION LIQUID MEMBRANE (ELM)
- CIESC Journal Issue 1, (1994)
- 作者机构：
- 作者简介：
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- DOI：
  CLC： Q018
- Online First：25 February 1994，
  
  Published：25 February 1994
- 稿件说明：
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徐铜文, 范文元. A REACTION DIFFUSION MODEL FOR EXTRACTING SCANDIUM WITH EMULSION LIQUID MEMBRANE (ELM)[J]. CIESC Journal, 1994, (1).
DOI：

徐铜文, 范文元. A REACTION DIFFUSION MODEL FOR EXTRACTING SCANDIUM WITH EMULSION LIQUID MEMBRANE (ELM)[J]. CIESC Journal, 1994, (1). DOI：

摘要

提出了一种促进迁移的反应扩散模型

该模型考虑了外相边界层、膜相扩散和界面化学反应同时控制的情况

并考虑了膜破裂的影响。用间歇式液膜提钪进行了定量验证。模型计算值与实验值符合良好

尤其是对迁移溶质浓度较低(<0.22mmol/L)的外相料液体系更为适用。

Abstract

An type Ⅱ interfacial reaction diffusion model for facilitating transport in the liquid surfactant membranes has been developed. Besides considering aqueous diffusion

membrane diffusion and interfacial chemical reactions as simultaneous controlling factors

the model includes the influence of the ELM breakage. The model quantitatively proven in the batch extraction of scandium is especially applicable to the low concentration solution (less than 0. 22 mmol/L)

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