TRANSPORT-PROPERTIES OF PERFLUORINATED CATION-EXCHANGE MEMBRANES IN AQUEOUS AND METHANOL SOLUTIONS OF NACL

被引：0
|
作者：
KOTER, S
机构：
来源：
POLISH JOURNAL OF CHEMISTRY | 1994年 / 68卷 / 10期
关键词：
MEMBRANES; TRANSPORT NUMBER; CONDUCTIVITY; DIFFUSION; OSMOSIS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The properties of perfluorinated membranes (Nafion(R)) with sulfonic and carboxylic groups in aqueous and methanol solutions of NaCl at room temperature is compared. The transport properties examined are: the apparent transport number of Na+, conductivity, permeability of electrolyte and the solvent. It is found that the decrease of separating ability of membranes in methanol solutions is caused mainly by the increase of solvent and salt permeability. The transport numbers of Na+ counterions in both solvents are comparable. The highest increase of permeation rates of salt and solvent is observed for the carboxylate membrane.
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页码：2019 / 2029
页数：11
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