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Performance of cellulose acetate membranes in sea water desalination

✍ Scribed by U. Merten; H.K. Lonsdale; R.L. Riley; K.D. Vos

Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
525 KB
Volume
3
Category
Article
ISSN
0011-9164

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✦ Synopsis

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 selectivity. low long-term permesblity. and mvginal chemical stability. All three problems are under study and signnlfmt improtcment appears possible. The use of an ultrathin film of cellulose acetate together with a xparate porous supporting membrane appears to be a promising approach to circumwznring the sclc%ti\ ity and permeability problems. l &per presented at the !%sand European Symposiuni on Fresh Water from the !5ez, May 9-12 1%7, Athens, Gm. European Fedcmtion of Chemical Engineering.

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