The influence of diluent on extraction behavior of uranium   with N-octanoylpyrrolidine

LI Zhen  BAO Borong  WU Minghong  XIANG Qun

doi:null

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The influence of diluent on extraction behavior of uranium with N-octanoylpyrrolidine

更新时间：2021-03-12

- The influence of diluent on extraction behavior of uranium with N-octanoylpyrrolidine
- NUCLEAR TECHNIQUES Issue 2, (2002)
- 作者机构：
  
  1. 上海大学理学院化学系
  2. 中国科学院上海原子核研究所,上海,200436
  3. ,上海,201800
- 作者简介：
- 基金信息：
- DOI：
  CLC： O658.2
- Published：01 February 2002
- 稿件说明：
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[1]李珍,包伯荣,吴明红,向群,杨兴存.N-辛酰吡咯烷在不同稀释剂中萃取铀(Ⅵ)的研究[J].核技术,2002(02):107-112.

LI Zhen BAO Borong WU Minghong XIANG Qun. The influence of diluent on extraction behavior of uranium with N-octanoylpyrrolidine[J]. Nuclear techniques, 2002, (2): 107-112.
[1]李珍,包伯荣,吴明红,向群,杨兴存.N-辛酰吡咯烷在不同稀释剂中萃取铀(Ⅵ)的研究[J].核技术,2002(02):107-112. DOI：

LI Zhen BAO Borong WU Minghong XIANG Qun. The influence of diluent on extraction behavior of uranium with N-octanoylpyrrolidine[J]. Nuclear techniques, 2002, (2): 107-112. DOI：

摘要

研究了在不同稀释剂中N -辛酰吡咯烷（OPOD）萃取铀（Ⅵ ）的性能。在不同稀释剂中考察了硝酸浓度、萃取剂浓度、盐析效应以及温度对萃取平衡的影响。OPOD萃取铀（Ⅵ ）的能力在不同稀释剂中由弱到强的顺序为 :氯仿

四氯化碳

1.2 -二氯乙烷

正十二烷

正辛烷

环己烷

甲苯

苯。并求出了萃取反应的各热力学函数变化值。

Abstract

Extraction of uranium (Ⅵ) from nitric acid solutions with N-octanoylpyrrolidine (OPOD) in a series of diluents has been studied. The dependence of the extraction distribution ratios on the concentrations of aqueous nitric acid

extractant

salting-out agent and the temperature was investigated. The experimental results showed that the extracting capacity of OPOD in different diluents increases in the order: chloroform

CCl 4

2-dichloroethane

n-dodecane

n-octane

c-hexane

toluene and benzene. It can not be expounded only on the basis of polarity of the diluents. The interaction between extractant or extracted complex and diluent was discussed.

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