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首页> 外文期刊>Journal of industrial and engineering chemistry >Mass transport modeling and analysis on the mutual separation of lanthanum(III) and cerium(IV) through a hollow fiber supported liquid membrane
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Mass transport modeling and analysis on the mutual separation of lanthanum(III) and cerium(IV) through a hollow fiber supported liquid membrane

机译：空心纤维负载液膜对镧（III）和铈（IV）相互分离的传质建模与分析

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摘要

The mutual separation of lanthanum(III) and cerium(IV) was performed by using a hollow fiber supported liquid membrane. D2EHPA was used as an extractant. The effects of the sulfuric acid concentration in the feed solution, D2EHPA and strippant on the percentage of extraction and stripping were examined. The separation of lanthanum(III) by 4% (v/v) D2EHPA was achieved while cerium(IV) was rejected in the feed solution. A mathematical model focusing on the interface layer was presented to predict the thickness of the layer. The relationship between flux and layer thickness was in good agreement with experimental results and mass transfer theory.
机译：镧（III）和铈（IV）的相互分离通过使用中空纤维负载的液膜进行。 D2EHPA用作提取剂。考察了进料溶液，D2EHPA和汽提剂中硫酸浓度对萃取和汽提百分比的影响。在进料溶液中排除铈（IV）的同时，实现了镧（III）的4％（v / v）D2EHPA分离。提出了针对界面层的数学模型来预测层的厚度。通量和层厚之间的关系与实验结果和传质理论吻合良好。

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