Membrane reusability determines the economic sustainability of separation process. However, membrane was deduced by antifouling properties, while actual reuse performance using palm oil mill effluent (POME) is rarely reported. This study investigates nano-Fe3O4/PVDF (PVDF1) for POME treatment. The chemical oxygen demand (COD), total suspended solid (TSS) permeate, molecular weight cut off (MWCO...