The modified polyacrylonitrile (PAN) membranes used in this study had sulfonic acid moiety to act as a specific functional group for the dehydration of pyridine aqueous solution. The in situ complex formed between pyridine in the feed and sulfonic acid moiety in the membrane could enhance the dehydr
β¦ LIBER β¦
Pervaporation of water-acetic acid mixture through poly (4-vinylpyridine-co-acrylonitrile) membrane
β Scribed by Moo Lee Young; Keun Oh Boo
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 699 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0376-7388
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Polyacrylonitrile (PAN)-based copolymers containing phosphonic acid moiety were synthesized for dehydration of aqueous pyridine solution. The in situ complex, formed between the vinylphosphonic acid (VP) moiety in the membrane and the pyridine in the feed, enhanced separation capacity of poly(acrylo