Desalination by the use of dynamically formed PVA membranes

✍ Scribed by Wang Ying

• Publisher: Elsevier Science
• Year: 1983
• Tongue: English
• Weight: 811 KB
• Volume: 46
• Category: Article
• ISSN: 0011-9164
• DOI: 10.1016/0011-9164(83)87173-2

✦ Synopsis

Considering the good rejection characteristic of the phenol contained in aqueous solution and the good chemical resistance (1,2,) proposed that using the dynamic formed method to get symmestric and asymmestric PVA ultrathin membrane on the porous ceramic surface, and the f lux,of the membrane has risen greatly, The flux keeps more than 5 M D.M and the rejection 907' under the applied pressure 4.0 Kg/&for 5000 ppm phenol aqueous solution. Besides, the membrane is staoilization for the most organic solvent, high concentration acid and base with high concentration and oxide and salt solution, and have some special selection characteristics. The experiment proved again that the dynamic formed membrane will develop the new field for the membrane research(J). The PVA dynamic formed membrane has a broad prospect both for research and application.