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氨基苯甲酸稀溶液的络合萃取研究

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张瑾, 刘阳生, 刘志岩, 戴猷元. 氨基苯甲酸稀溶液的络合萃取研究[J]. 环境化学, 2000, 19(2): 131-135.
引用本文: 张瑾, 刘阳生, 刘志岩, 戴猷元. 氨基苯甲酸稀溶液的络合萃取研究[J]. 环境化学, 2000, 19(2): 131-135.
shu
Zhang Jin, Liu Yangsheng, Liu Zhiyan, Dai Youyuan. A STUDY ON EXTRACTION OF AMINOBENZOIC ACID BASED ON CHEMICAL COMPLEXATION[J]. Environmental Chemistry, 2000, 19(2): 131-135.
Citation: Zhang Jin, Liu Yangsheng, Liu Zhiyan, Dai Youyuan. A STUDY ON EXTRACTION OF AMINOBENZOIC ACID BASED ON CHEMICAL COMPLEXATION[J]. Environmental Chemistry, 2000, 19(2): 131-135.
shu

氨基苯甲酸稀溶液的络合萃取研究

  • 1.

    清华大学化学工程系, 北京, 100084

  • 基金项目:

    国家自然科学基金资助项目(29836130)

A STUDY ON EXTRACTION OF AMINOBENZOIC ACID BASED ON CHEMICAL COMPLEXATION

  • 1.

    Department of Chemical Engineering, Tsinghua University, Beijing, 100084

  • Fund Project:

摘要

  • 摘要: 本文利用三辛胺(TOA)或磷酸三丁酯(TBP)为络合剂,正辛醇或煤油为稀释剂,在不同的pH值条件下,测定了氨基苯甲酸稀溶液的萃取相平衡分配系数,讨论了影响因素,提出了同时考虑络合萃取作用和物理萃取作用的平衡分配系数的表达式.
    Abstract: The separation technique of extraction based on reversible chemical complexation can be high capacity and high selectivity for separating polar organic solutes from dilute solution. On the base of studying the extraction characteristics of organic acids and amines, aminobenzoic acid is selected to be separated from dilute solution. By using TOA and TBP as complexing agents, l-octanol and kerosene as diluents, a series of extraction equilibrium experiments are carried out. The effects of complexing agent, diluents and pH value of aqueous solutions on distribution ratio D are discussed. An expression of equilibrium distribution ratio that includes chemical complexation and physical dissolution simultaneously has been proposed.
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出版历程
  • 收稿日期:  1999-06-16
张瑾, 刘阳生, 刘志岩, 戴猷元. 氨基苯甲酸稀溶液的络合萃取研究[J]. 环境化学, 2000, 19(2): 131-135.
引用本文: 张瑾, 刘阳生, 刘志岩, 戴猷元. 氨基苯甲酸稀溶液的络合萃取研究[J]. 环境化学, 2000, 19(2): 131-135.
shu
Zhang Jin, Liu Yangsheng, Liu Zhiyan, Dai Youyuan. A STUDY ON EXTRACTION OF AMINOBENZOIC ACID BASED ON CHEMICAL COMPLEXATION[J]. Environmental Chemistry, 2000, 19(2): 131-135.
Citation: Zhang Jin, Liu Yangsheng, Liu Zhiyan, Dai Youyuan. A STUDY ON EXTRACTION OF AMINOBENZOIC ACID BASED ON CHEMICAL COMPLEXATION[J]. Environmental Chemistry, 2000, 19(2): 131-135.
shu

氨基苯甲酸稀溶液的络合萃取研究

  • 1. 清华大学化学工程系, 北京, 100084
  • 收稿日期:  1999-06-16
基金项目:

国家自然科学基金资助项目(29836130)

摘要: 本文利用三辛胺(TOA)或磷酸三丁酯(TBP)为络合剂,正辛醇或煤油为稀释剂,在不同的pH值条件下,测定了氨基苯甲酸稀溶液的萃取相平衡分配系数,讨论了影响因素,提出了同时考虑络合萃取作用和物理萃取作用的平衡分配系数的表达式.

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