The extraction thermodynamics of Uranium(Ⅵ) from nitric   acid solution by N-octanoylpiperidine

BAO Borong  1  SHAO Hua  2  HAN Jingtian  2  YANG Yonghui  3  SUN Sixiu  3  1

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The extraction thermodynamics of Uranium(Ⅵ) from nitric acid solution by N-octanoylpiperidine

更新时间：2021-03-12

- The extraction thermodynamics of Uranium(Ⅵ) from nitric acid solution by N-octanoylpiperidine
- NUCLEAR TECHNIQUES Issue 6, (2002)
- 作者机构：
  
  1. 上海大学理学院
  2. 中国科学院上海原子核研究所
  3. 山东大学化学化工学院,上海,200436
  4. ,济南,250100
- 作者简介：
- 基金信息：
- DOI：
  CLC： O615.11
- Published：01 June 2002
- 稿件说明：
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[1]包伯荣,邵华,韩景田,杨永会,孙思修.辛酰哌啶萃取硝酸铀酰的热力学研究[J].核技术,2002(06):455-460.

BAO Borong 1 SHAO Hua 2 HAN Jingtian 2 YANG Yonghui 3 SUN Sixiu 3 1. The extraction thermodynamics of Uranium(Ⅵ) from nitric acid solution by N-octanoylpiperidine[J]. Nuclear techniques, 2002, (6): 455-460.
[1]包伯荣,邵华,韩景田,杨永会,孙思修.辛酰哌啶萃取硝酸铀酰的热力学研究[J].核技术,2002(06):455-460. DOI：

BAO Borong 1 SHAO Hua 2 HAN Jingtian 2 YANG Yonghui 3 SUN Sixiu 3 1. The extraction thermodynamics of Uranium(Ⅵ) from nitric acid solution by N-octanoylpiperidine[J]. Nuclear techniques, 2002, (6): 455-460. DOI：

摘要

研究了辛酰哌啶（OP）的甲苯溶液从硝酸介质中萃取硝酸铀酰的热力学。认为在有机相中形成了两种萃合物 :（OP）UO2 （NO3 ） 2 和（OP） 2 UO2 （NO3 ） 2

平衡常数分别为 :Kex1=0 .5 38和Kex2=4 .2 30 ;通过硝酸对辛酰哌啶萃取铀的影响间接求出了辛酰哌啶萃取硝酸的平衡常数Ka=0 .0 97。

Abstract

The extraction thermodynamics of uranium(Ⅵ) from nitric acid solution by N-octanoylpiperidine in toluene was investigated. The results showed that two extracted species of UO 2(NO 3) 2(OP) and UO 2(NO 3) 2(OP) 2 were formed

and the equilibrium constants were K ex1=0.538 and K ex2=4.230 respectively. Through considering the sub-reaction of extraction

the equilibrium constant of extracting nitric acid with N-octanoylpiperidine were obtained to be K HNO 3=0.097.

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Related Author

孙思修

杨永会

韩景田

包伯荣

SHAO Hua 1 BAO Borong 1 HAN Jingtian 2 YANG Yonghui 3 SUN Sixiu 3 1

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YANG Anbo

YANG Shuyi

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Shanghai Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai 201800) 2

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