EXTRACTION OF   p-AMINOBENZENE  SULFONIC ACID WITH TRIALKYLAMINE(7301)  BASED ON CHEMICAL COMPLEXATION

李振宇; 杨义燕; 戴猷元

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EXTRACTION OF p-AMINOBENZENE SULFONIC ACID WITH TRIALKYLAMINE(7301) BASED ON CHEMICAL COMPLEXATION

更新时间：2025-12-16

- EXTRACTION OF p-AMINOBENZENE SULFONIC ACID WITH TRIALKYLAMINE(7301) BASED ON CHEMICAL COMPLEXATION
- CIESC Journal Issue 1, (2000)
- 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
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q028.32
- Online First：25 February 2000，
  
  Published：25 February 2000
- 稿件说明：
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李振宇, 杨义燕, 戴猷元. EXTRACTION OF p-AMINOBENZENE SULFONIC ACID WITH TRIALKYLAMINE(7301) BASED ON CHEMICAL COMPLEXATION[J]. CIESC Journal, 2000, (1).
DOI：

李振宇, 杨义燕, 戴猷元. EXTRACTION OF p-AMINOBENZENE SULFONIC ACID WITH TRIALKYLAMINE(7301) BASED ON CHEMICAL COMPLEXATION[J]. CIESC Journal, 2000, (1). DOI：

摘要

利用三烷基胺 (730 1 )为络合剂

在较宽的 pH值条件下实验测定了对氨基苯磺酸稀溶液的萃取相平衡分配系数 ;分析了络合剂浓度、稀释剂种类以及溶液 pH值对络合萃取相平衡分配系数的影响 ;讨论了络合剂萃取对氨基苯磺酸偶极离子的质子转移过程

提出了平衡分配系数D值的表达式 .

Abstract

Based on systematic investigation and analysis of literature

p aminobenzene sulfonic acid is selected as a typical solute to be separated from dilute solution.An aliphatic

straight chain tertiary amine

7301

is used as complexing agent.Since the pH of aqueous solution is an important factor in chemical complexation extraction of p aminobenzene sulfonic acid

its effect on extraction equilibium is especially studied in the experiments.The effects of concentration of complexing agent and type of diluents on distribution ratio D are also investigated.Meanwhile

the proton transfer equilibrium is discussed.By using Mass Action Law

an expression of equilibrium distribution ratio for 7301 system is proposed.The results show satisfying precision of the model.

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