Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow

Hualing Yang; Ji Chen; WeiWang; Hongmin Cui; Dongli Zhang; Yu Liu

doi:10.1016/j.cjche.2014.09.010

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Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow

研究简报 | Updated：2026-01-06

- Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow
- Chinese Journal of Chemical Engineering Vol. 22, Issue 10, Pages: 1174-1177(2014)
- Affiliations：
  
  1. State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences,Changchun,China,130022
  2. School of Chemistry and Chemical Engineering, Nantong University,Nantong,China,226019
  3. Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, China Academy of Geological Sciences,Zhengzhou,China,450006
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.09.010
  CLC：
- Published：2014
- Accepted：
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Hualing Yang, Ji Chen, WeiWang, Hongmin Cui, Dongli Zhang, Yu Liu. Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow[J]. , 2014, 22(10): 1174-1177.
DOI：

Hualing Yang, Ji Chen, WeiWang, Hongmin Cui, Dongli Zhang, Yu Liu. Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow[J]. , 2014, 22(10): 1174-1177. DOI： 10.1016/j.cjche.2014.09.010.

摘要

Abstract

The extraction kinetics of La(Ⅲ) from aqueous chloride solutions into

-heptane solutions of bifunctional ionic liquid extractant [A336

]

[CA-12

]

(tricaprylmethylammonium sec-octylphenoxy acetic acid) was investigated using a constant interfacial cell with laminar flow. The effects of stirring speed

temperature and specific interfacial area on the extraction rate were examined. The results indicate that mass transfer kinetics of La(Ⅲ) is a mixed-controlled process influenced by interfacial reaction. On the basis ofmass transfer kinetic results in the extraction of La(Ⅲ) by [A336

]

[CA-12

]

the extraction rate equation of La(Ⅲ) is proposed in terms of pseudo-firstorder constants

which is supported by the measured thermodynamic equations. The mass-transfer kinetic model deduced from the rate controlling step is adequate to interpret the experimental data qualitatively.

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