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Fouling in nanofiltration was studied using model substances similar to those in the pulp and paper mill waters, such as vanillin, humic acid, locust bean gum, and karaya gum. The parameters studied were the concentration of foulants, pH, cross-flow velocity and membrane hydrophobicity. The substances were nanofiltered alone and in their binary mixtures. The nanofiltration membranes (NTR-7450 and...
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