Permeability: concentration polarization and clogging
Membrane filtration (IO, NF, UF, MF) - Theoretical aspects: permeability and selectivity
Article REF: J2790 V3
Permeability: concentration polarization and clogging
Membrane filtration (IO, NF, UF, MF) - Theoretical aspects: permeability and selectivity

Authors : Pierre AIMAR, Patrice BACCHIN, Alain maurel

Publication date: August 10, 2010, Review date: March 20, 2024 | Lire en français

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2. Permeability: concentration polarization and clogging

2.1 Concentration polarization and clogging

During operation, membrane filtration processes experience a drop in productivity: permeation flux decreases at constant applied pressure, or pressure increases at constant permeation flux. This drop in permeability is due to the accumulation of material on (or in) the membrane surface. Two phenomena can be distinguished:

.Effects of clogging...
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