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Performance of some improved porous cellulose acetate membranes for low pressure reverse osmosis desalination

✍ Scribed by B. Kunst; S. Sourirajan

Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
814 KB
Volume
8
Category
Article
ISSN
0011-9164

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πŸ“œ SIMILAR VOLUMES

Low-pressure reverse osmosis desalinatio
Low-pressure reverse osmosis desalination with improved cellulose acetate membranes
✍ Ajit K. Ghosh; Kamalesh K. Sirkar πŸ“‚ Article πŸ“… 1979 πŸ› John Wiley and Sons 🌐 English βš– 854 KB

## 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 air‐exposure periods by Sirkar et al. from novel Manjikian‐type casting solutions having high CA

Effect of casting conditions on the perf
Effect of casting conditions on the performance of porous cellulose acetate membranes in reverse osmosis
✍ B. Kunst; S. Sourirajan πŸ“‚ Article πŸ“… 1970 πŸ› John Wiley and Sons 🌐 English βš– 553 KB

Several sets of porous cellulose acetate membranes were made using the same casting solution composition and gelation conditions but varying the casting solution temperature and solvent evaporation conditions. The films were tested in reverse osmosis experiments at 250 psig using aqueous feed soluti

The effect of precipitating media on the
The effect of precipitating media on the performance of porous cellulose acetate reverse osmosis membranes
✍ J.W. Carter; G. Psaras; M.T. Price πŸ“‚ Article πŸ“… 1973 πŸ› Elsevier Science 🌐 English βš– 436 KB

A two-stage method of making semi-permeable high flux reverse osmosis membranes was developed using water-ethanol mixtures to precipitate the cellulose acetate. This eliminated the need for heat treatment and produced membranes with fluxes up to 5 m'/m2 day and sodium chloride rejections up to 85 %