Facilitated transport of valine through bulk liquid membranes containing Aliquat 336: A kinetic study

被引：3

作者：

Leon, Gerardo ^{[1
]}

Amelia Guzman, Maria ^{[2
]}

机构：

[1] Univ Politecn Cartagena, Dept Ingn Quim & Ambiental, Cartagena 30203, Spain

[2] Direcc Territorial Comercio & Delegac ICEX, Murcia 30008, Spain

来源：

DESALINATION AND WATER TREATMENT | 2011年 / 27卷 / 1-3期

关键词：

Valine; Facilitated transport; Bulk liquid membranes; Aliquat; 336; Kinetics; AMINO-ACID SUPPLEMENTATION; COUPLED TRANSPORT; SEPARATION; NANOFILTRATION; EXTRACTION; ULTRAFILTRATION; CARRIER; PERFORMANCE; PEPTIDE; COBALT;

D O I：

10.5004/dwt.2011.2068

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper describes a kinetic study, in optimal conditions, of the facilitated counter-transport of valine through bulk liquid membranes using tricapryl methyl ammonium chloride (Aliquat 336) as carrier and chloride as counter-ion. Recovery close to 80% has been obtained after 24 h. The transport kinetic was analysed by means of a model involving two consecutive irreversible first order reactions. The rate constants of the extraction and stripping reactions were determined by numerical analysis. Good agreement between the model and experimental data was observed. A maximum flux of valine transport through the bulk liquid membrane of 0.052/h was obtained.

引用

页码：114 / 119

页数：6

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