Preparation of polysulfone-polyamide thin film composite hollow fiber nanofiltration membranes and their performance in the treatment of aqueous dye solutions

► Preparation of thin film composite hollow fiber nanofiltration membranes. ► Poly(m-phenylene-trimesamide) active layer on polysulfone ultrafiltration membrane. ► In situ interfacial polymerization between monomers under different conditions. ► Application of the membranes for separation of dye from water.