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The role of different functional groups present in humic substances on the membrane flux is unclear. This study is undertaken to (1) separate the carboxyl and phenolic groups from a humic solution, and (2) evaluate the effect of each fractionated humic substances on the ultrafiltration (UF) performance. A weak-base amine resin was used for the adsorption (pH7) and the subsequent desorption (pH13)...
The role of humic substances in general and hydrophobicity of humic substances in particular on membrane permeate flux is unclear. The main goal of the present study is to evaluate the effect of fractionated humic substances on ultrafiltration (UF) performance. A commercial humic solution was subjected to a hydrophobic resin for fractionation of the hydrophobic and hydrophilic fraction. These fractions...
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