The structure and desalination properties of cellulose acetate membranes cast from binary solutions and leached in water depend upon the nature of the casting solvent. Membranes cast from acetone and dioxane are dense and structurally homogeneous. Those cast from triethyl phosphate (TEP) are also s
✦ LIBER ✦
Diffusion of solvent from a cast cellulose acetate solution during the formation of skinned membranes
✍ Scribed by F.W. Altena; J. Smid; J.W.A. Van den Berg; J.G. Wijmans; C.A. Smolders
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 898 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0032-3861
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Improved membranes from cellulose acetate-acetone-formamide casting solutions have been prepared for low-pressure reverse osmosis applications. The film-casting details for one such type of membranes (Batch 400) are as follows. Casting solution composition: cellulose acetate (E-398-3), 17 wt-%, acet