The effects of molecular width on permeation of organic solute through cellulose acetate reverse osmosis membranes
β Scribed by Yoshiaki Kiso; Takane Kitao; Kiyokatsu Jinno; Morio Miyagi
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 785 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0376-7388
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## Abstract Transport phenomena of several kinds of metal complexes were investigated with cellulose acetate membranes annealed at 65Β°β76Β°C. In reverse osmosis experiments, the rejections of metal complexes involving organic sequestering agents such as EDTA or citric acid were much higher than thos
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 %