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Control of concentration polarization and fouling of membranes in medical, food and biotechnical applications

: Walitza, E.; Bauser, H.; Chmiel, H.; Stroh, N.

Journal of membrane science (1986), No.27, pp.105-202 : Abb.,Lit.
ISSN: 0376-7388
ISSN: 1873-3123
Europe-Japan Congress on Membranes and Membrane Processes <1984, Stresa>
Conference Paper
Fraunhofer IGB ()
filtration; Membran; Oberflächenmodifikation; Polarisation

Concentration polarization and fouling pose serious problems in ultrafiltration and microfiltration of protein-containing liquids. An empirical approach is reported to reduce fouling through surface modification by rf-cathode sputtering and plasma deposition. Different effects on ultrafiltration and microfiltration membranes have been found. In a second approach, by application of pulsatile flow the transmembrane flux of ultrafiltration membranes could be improved up to 50%.