NDLI: Synthetic salt water desalination by electrodialysis using reinforced ion exchange membranes for acid

Content Provider	Springer Nature Link
Author	Venugopal, Krishnaveni Dharmalingam, Sangeetha
Copyright Year	2016
Abstract	The demand for clean water is vast, whether it is used for human consumption, agricultural activities or industrial applications. To find a solution for this important issue, a small attempt has been made in the present work towards developing reinforced monopolar and bipolar membranes based on functionalized polysulfone and evaluated for electrodialysis of salt water. Polyvinyl pyrrollidone was used as the intermediate layer for the preparation of the bipolar membrane. The concentration of salt water taken for the bipolar membrane electrodialysis (BPMED) process ranged from 5 to 25 g/L. A commercially procured monopolar and bipolar membranes made of polystyrene divinyl benzene was also evaluated for the purpose of comparison. The BPMED performance reached a highest current efficiency of 75.8 and 53.6 % with the energy consumption of 0.36 and 1.39 Wh for the synthesized and commercial membranes respectively. Also the performance of the fabricated unit was assessed in terms of electrical conductivity, salinity and ion (sodium and chloride) concentrations in the feed solution after 8 h duration. The reproducibility performance of the membranes was also analyzed for various concentrations of the synthetic salt solution.
Starting Page	315
Ending Page	333
Page Count	19
File Format	PDF
ISSN	0972656X
Journal	International Journal of Plastics Technology
Volume Number	20
Issue Number	2
e-ISSN	0975072X
Language	English
Publisher	Springer India
Publisher Date	2016-08-09
Publisher Place	New Delhi
Access Restriction	Subscribed
Subject Keyword	Bipolar membrane electrodialysis Water dissociation Polysulfone Polyvinyl pyrrollidone Acid–base recovery Polymer Sciences Materials Science
Content Type	Text
Resource Type	Article
Subject	Polymers and Plastics

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