Abstract
In this study, effect of activated carbon size on flux and fouling of membrane was investigated on activated carbon and membrane hybrid system. The activated carbon was prepared with crushing and screening. The activated carbon was named by A100, B100, A200, B200, A325 and B325 due to size of activated carbon. The permeability for A100, B100, A200 and B200 showed no significant difference. However, the permeability for A325 and B325 was decreased rapidly and was lowed due to increase the concentration of NOM. Main resistance for A100, B100, A200 and B200 was identified as irreversible fouling. However main resistance for A325 and B325 was identified as reversible fouling. The smaller activated carbon adsorbs NOM faster than bigger particles, which can show high permeability at early stage of the operation and then showed faster decrease of permeability at end of the operation.
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