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Nickel transfer and selective transport through weak acid ion-exchange membrane based on poly(vinyl chloride)/poly(methylmethacrylate-co-divinylbenzene) system

โœ Scribed by I. Alexandrova; G. Iordanov

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
290 KB
Volume
60
Category
Article
ISSN
0021-8995

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โœฆ Synopsis

The transport of nickel and copper through a carboxylic ion-exchange membrane was investigated by using a system containing HC1 as a receiver solution and nickel chloride or copper chloride as a feed solution. The transfer rate was found to be greatly affected by the H+ concentration in the receiver solution and metals concentration in the feed solution. The rate of transfer for nickel was about 60% higher than that of copper under the same experimental conditions (0.5M HCl as a receiver solution, 0.1M feed solution, and 5 h dialysis time).

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## SYNOPSIS ('arboxylic exchange membranes were prepared from polyvinyl chloride) /poly(methyl rnethacr~late-co-diviny lbenzene) (PVC) [poly(MMA-co-DVB]. Transport of nickel and copper against a concentration gradient through the membrane was investigated by using a system containing NiClz or CUC1