Electrospun nanofiber seems interesting in the filter domain area due to its highly porous structure, narrow pore size, and high specific surface area. In this work, polyamide 6 (PA6), polyvinylidene fluoride (PVDF), and polyacrylonitrile (PAN) nanofibers were prepared as hybrid membranes. Hydrophobic PVDF and PAN nanofiber membrane surface was hydrophilized using a chemical modification method and performance for the treatment of oily wastewater was compared. The surface modification of the membrane improved membrane anti-fouling property. Results indicated that nanofibrous membranes may become interesting materials for the treatment of oily wastewater.Keywords: Nanofiber, membrane, wastewater, oil separation, hydrophilic
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