Facilitated transport of sugars by a resorcinarene through a supported liquid membrane

被引：39
|
作者：
Rhlalou, T
Ferhat, M
Frouji, MA
Langevin, D
Métayer, M
Verchère, JF [1 ]
机构：
[1] Univ Rouen, Fac Sci, Lab Polymeres Biopolymeres Membranes, CNRS,UMR 6522, F-76821 Mt St Aignan, France
[2] Univ Mohammed V, Fac Sci, Rabat, Morocco
[3] Univ Hassan I, FST Settat, Settat, Morocco
来源：
JOURNAL OF MEMBRANE SCIENCE | 2000年 / 168卷 / 1-2期
关键词：
supported liquid membrane; facilitated transport; sugars; resorcinarene; permeabilities;
D O I：
10.1016/S0376-7388(99)00301-4
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Supported liquid membranes (SLM) containing the resorcinarene carrier 1 have been used for the selective transport of monosaccharides (pentoses and hexoses) from concentrated aqueous solutions. The membranes, made of PTFE films of different porosities impregnated with a CCl4 solution of 1, are stable for at least 10 days. The permeabilities of the SLMs for various sugars were calculated. The results are compared with those of selective extraction of sugars performed with a CCl4 solution of 1. On the basis of the flux dependence on the initial concentrations of carrier and sugar, the rate-determining step in the transport mechanism is shown to be the migration of the 1 : 1 carrier-sugar complex in the immobilized organic phase. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：63 / 73
页数：11
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