MECHANISM 0F EXTRACTION FOR CARBOXYLIC ACID WITH TRI-N-OCTYLAMINE(Ⅰ)──ACETIC ACID-TOA SYSTEM

Wen Mei; Yang Yiyan; Dai Youyuan; Wang Jiading(Department of Chemical Engineering

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MECHANISM 0F EXTRACTION FOR CARBOXYLIC ACID WITH TRI-N-OCTYLAMINE(Ⅰ)──ACETIC ACID-TOA SYSTEM

更新时间：2025-12-16

- MECHANISM 0F EXTRACTION FOR CARBOXYLIC ACID WITH TRI-N-OCTYLAMINE(Ⅰ)──ACETIC ACID-TOA SYSTEM
- CIESC Journal Issue 3, (1998)
- 作者机构：
  
  清华大学化学工程系!北京100084,清华大学化学工程系!北京100084,清华大学化学工程系!北京100084,清华大学化学工程系,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q028
- Online First：25 June 1998，
  
  Published：25 June 1998
- 稿件说明：
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Wen Mei, Yang Yiyan, Dai Youyuan, et al. MECHANISM 0F EXTRACTION FOR CARBOXYLIC ACID WITH TRI-N-OCTYLAMINE(Ⅰ)──ACETIC ACID-TOA SYSTEM[J]. CIESC Journal, 1998, (3).
DOI：

Wen Mei, Yang Yiyan, Dai Youyuan, et al. MECHANISM 0F EXTRACTION FOR CARBOXYLIC ACID WITH TRI-N-OCTYLAMINE(Ⅰ)──ACETIC ACID-TOA SYSTEM[J]. CIESC Journal, 1998, (3). DOI：

摘要

采用Fourier红外光谱法测定了三辛胺-醋酸体系中不同结构萃合物的组成比，讨论了不同萃合物的组成比随萃取剂成分（络合剂浓度、稀释剂种类）的变化趋势．对离子对萃合物的百分率与络合萃取平衡分配系数D间相互关系的研究表明，离子对萃合物的比例越大，络合萃取相平衡分配系数也越大．

Abstract

The organic phase samples loaded with acetic acid were studied by FT-IR spectroscopy. Tri-n-octylamine(TOA）was used as a complexing agent.The fraction of ion-pair extents and hydrogenbonded extents in the systems were determined quantitatively.The effect of concentration of complexing agent

acid and diluents on this fraction was determined.The results showed that the higher the fraction of ionpair extents

the higher the phase equilibriun distribution ratio would be.

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