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The effects of membrane pore size and operating conditions on the particle fouling in “dead-end” microfiltration are studied by use of membrane blocking models. Two track-etched membranes (Isopore® membrane) with the mean pore diameters of 0.2 and 0.4 μm, respectively, are used as the filter media to filter 0.15 μm polymethyl methacrylate (PMMA) particles. A blocking chart is established for relating...
Particle fouling mechanisms in “dead-end” microfiltration is analyzed using blocking models. The blocking index and resistance coefficient of the models during microfiltration are calculated under various conditions. The major factors affecting these model parameters, such as the filtration rate, the amount of particles simultaneously arriving at the membrane surface and particle accumulation, are...
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