Use of Streaming Potential Measurements for Characterization of Both Membrane/Electrolyte Interface and Protein Fouling Effect
Electrical nature of external and internal (pore-wall) membrane surfaces is significant for salt rejection and transport characterization of RO and NF membranes or for filtration of solutions containing macromolecules and colloids. Electrokinetic measurements are usually performed for characterization of membrane/electrolyte interfaces and to estimate changes associated to membrane fouling as a result of cake layer formation (external fouling) or pore narrowing/plugging (internal fouling).
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