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The mitigation of membrane fouling due to the mechanical scouring behavior of granular activated carbon (GAC) particles of diameters ranging from 0.9 to 4.6mm was studied using a GAC tangential shear-membrane filtration cell, wherein GAC was directed to scour the membrane surface by a magnetic stirrer placed 10mm above the membrane. Two membrane pore sizes (namely, 0.1 and 0.45μm), two permeate fluxes...
In this study gravity-driven membrane (GDM) ultrafiltration is investigated for the pretreatment of seawater before reverse osmosis (RO). The impacts of temperature (21 ± 1 and 29 ± 1 °C) and hydrostatic pressure (40 and 100 mbar) on dynamic flux development and biofouling layer structure were studied. The data suggested pore constriction fouling was predominant at the early stage of filtration, during...
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