PROPERTIES OF AN ANION-EXCHANGE MEMBRANE IN CONTACT WITH AQUEOUS-SOLUTIONS OF SODIUM-CHLORIDE AND SODIUM BENZENECARBOXYLATE OR BENZENESULFONATE

被引：16

作者：

DELIMI, R ^{[1
]}

SANDEAUX, J ^{[1
]}

SANDEAUX, R ^{[1
]}

GAVACH, C ^{[1
]}

机构：

[1] CNRS,MAT & PROC MEMBRANAIRES LAB,URA 9987,F-34033 MONTPELLIER 1,FRANCE

来源：

JOURNAL OF MEMBRANE SCIENCE | 1995年 / 103卷 / 1-2期

关键词：

ION-EXCHANGE MEMBRANE; BENZENECARBOXYLATE; BENZENESULFONATE; SORPTION; ELECTRIC RESISTANCE; SELF-DIFFUSION FLUX;

D O I：

10.1016/0376-7388(94)00310-U

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Some properties of an anion-exchange membrane, ADS (Morgane-Solvay), were studied in aqueous solutions containing both sodium chloride and sodium benzenecarboxylate or benzenesulfonate. Measurements of electric resistance, water content, ion-exchange and self-diffusion flux were performed as a function of the organic salt concentration (10(-3) to 10(-1) M) in the external aqueous solution. The membrane affinity is greater for benzenesulfonate than benzenecarboxylate ion. The electric resistance decreases when the Cl- counter-ions are substituted by these organic ions more hydrophobic and less mobile. The self-diffusion flux of the Cl- ion through the membrane are strongly dependent on the water content and the concentration of this inorganic anion inside the membrane.

引用

页码：83 / 94

页数：12

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