Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow
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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
Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow
中国化学工程学报(英文版)2014年22卷第10期 页码:1174-1177
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
Hualing Yang, Ji Chen, WeiWang, 等. Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow[J]. 中国化学工程学报(英文版), 2014,22(10):1174-1177.
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.
Hualing Yang, Ji Chen, WeiWang, 等. Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow[J]. 中国化学工程学报(英文版), 2014,22(10):1174-1177.DOI: 10.1016/j.cjche.2014.09.010.
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.
Extraction Kinetics of Lanthanum in Chloride Medium by Bifunctional Ionic Liquid [A336][CA-12] Using a Constant Interfacial Cellwith Laminar Flow
The extraction kinetics of La(Ⅲ) from aqueous chloride solutions into
n
-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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