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PVC based polyvinyl alcohol zinc oxide composite membrane: Synthesis and electrochemical characterization for heavy metal ions

Authors
Journal
Journal of Industrial and Engineering Chemistry
1226-086X
Publisher
Elsevier
Publication Date
Volume
19
Issue
4
Identifiers
DOI: 10.1016/j.jiec.2012.12.041
Keywords
  • Polyvinyl Alcohol Zinc Oxide
  • Electrochemical Studies
  • Membrane Potential
  • Fixed Charge Density
  • Transport Number
Disciplines
  • Chemistry
  • Earth Science
  • Ecology
  • Geography
  • Physics

Abstract

Abstract The polyvinyl chloride (PVC) based polyvinyl alcohol zinc oxide composite membrane was successfully prepared by solution casting technique. Membrane properties were studied in terms of water uptake, porosity, thickness, ion-exchange capacity and swelling. The physico-chemical characterization of the material was studied using Fourier transform infrared (FTIR) spectroscopy, thermogravimetry analysis (TGA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) studies. The important application of this composite ion-exchange membrane is in environmental separation of heavy metal ions transport. The increasing order of transport number of cation as HgCl2<PbCl2<CdCl2.

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