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This study provides a facile and effective method to modify thin film composite (TFC) hollow fiber nanofiltration (NF) membranes by grafting poly (amidoamine) dendrimer (PAMAM) on the interfacially polymerized layer of polyethersulfone (PES) membranes for heavy metal removal. The PAMAM grafting not only decreases the pore size of the composite membrane, but also provides the positively charged functional...
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