Reverse osmosis cellulose acetate membranes II. Dependence of transport properties on acetyl content
β Scribed by Scott B. McCray; V.L. Vilker; K. Nobe
- Book ID
- 117511486
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 930 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0376-7388
No coin nor oath required. For personal study only.
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## Cellulose acetate membranes undergo hydrolytic decomposition which is accelerated at very high or low pH levels. Hydrolysis results in the loss of acetvl groups leading to a sharp decline in membrane performance. Minimum hydrolvsis rates occur in the pH range of 4-6. ## Cellulose Acetate Memb
Annealing profiles are determined for two sets of cellulose acetate membranes originating from two different casting solution compositions under different casting conditions. The two sets of membranes are characterized by two normal pore size distributions. Membranes exhibiting a narrower gap betwee