Modified cellulose acetate flat membranes for desalination
β Scribed by Yan Wen-E; Yang Pu-Chen; Wang Yi-Kuan
- Book ID
- 105337025
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 367 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0887-624X
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Reverse osmosis is beginning to find application as a method for desalinating brackish water. Attempts to eKtend its applicability to s~3. water are being sloucd by deficiencies of present cellular itt&ttf mcmbrancs. The membranes are not well suited to use in su water because of insufficient select
This paper describes the reaction of the highly reactive -NC0 group as present in diisocyanate with the basic -OH group as present in cellulose acetate in a mixture of dichloromethane and t-butyl alcohol, thereby producing minimally crosslinked cellulose acetate, bearing urethane groups and conseque
## Abstract The advantages of carrying out reverse osmosis desalination with improved membranes at low pressures have been pointed out. Cellulose acetate (CA) semipermeable membranes developed with low airβexposure periods by Sirkar et al. from novel Manjikianβtype casting solutions having high CA
Experimental data on reverse osmosis using a sodium chloride solution by cellulose triacetate membranes are presented. The investigation involved studies on the composition of membrane casting solutions and their effects on the performance. A higher polymer concentration (ll-13%) is found suitable f