EXTRACTION OF ORGANIC AMINES FROM DILUTE SOLUTION BASED ON CHEMICAL COMPLEXATION

苏海佳; 徐丽莲; 戴猷元

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EXTRACTION OF ORGANIC AMINES FROM DILUTE SOLUTION BASED ON CHEMICAL COMPLEXATION

更新时间：2025-12-16

- EXTRACTION OF ORGANIC AMINES FROM DILUTE SOLUTION BASED ON CHEMICAL COMPLEXATION
- CIESC Journal Issue 6, (1997)
- 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
- Online First：25 December 1997，
  
  Published：25 December 1997
- 稿件说明：
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苏海佳, 徐丽莲, 戴猷元. EXTRACTION OF ORGANIC AMINES FROM DILUTE SOLUTION BASED ON CHEMICAL COMPLEXATION[J]. CIESC Journal, 1997, (6).
DOI：

苏海佳, 徐丽莲, 戴猷元. EXTRACTION OF ORGANIC AMINES FROM DILUTE SOLUTION BASED ON CHEMICAL COMPLEXATION[J]. CIESC Journal, 1997, (6). DOI：

摘要

以P204(磷酸二(2-乙基己基)酯)为络合剂

加氢煤油为稀释剂

实验研究了不同的有机胺类稀溶液的络合萃取特性

讨论了有机胺类的pK_a值、络合剂的含量和溶液pH值等因素对络合萃取平衡的影响

提出了同时考虑络合萃取作用和物理萃取作用的萃取相平衡分配系数表达式。利用傅立叶红外谱图分析了P204络合萃取有机胺类的机理。

Abstract

The extraction equilibrium characteristics of amine solution systems have been studied. D2EHPA(in kerosene) is selected as a solvent to separate amines from dilute solution. The effects of pKa of amines

complexing agent concentration

and pH of solutions are discussed. An expression of equilibrium distribution that includes chemical complexation and physical dissolution simultaneously has been proposed. With the FT-IR spectroscopy

mechanism on of amines with D2EHPA is investigated.

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