▎ 摘　　要

NOVELTY - Preparing sulfonated graphene oxide (SGO)-zinc oxide(ZnO)-PSF complex ultrafiltration membrane comprises (i) adding sulfonated graphene oxide/ethanol solution to zinc acetate/ethanol solution, stirring to cool to room temperature, adding hexane, sealing, refrigerating overnight, centrifuging and washing in vacuum to obtain SGO-ZnO complex nanomaterials, (ii) taking the SGO-ZnO complex nanomaterial prepared in the step (i), dissolving it in dimethylformamide (DMF) and ultrasonically dispersing, adding certain amount of polysulfones (PSF) and Polyvinylpyrrolidone (PVP) to form blending system, stirring in a water bath at a certain temperature to a uniform solution, and obtain a casting film solution after sonication, scraping and forming casting film solution into a film on a glass plate by a casting method, and quickly adding into a prepared coagulation bath for phase separation and molding, immersing, taking out and rinsing with a large amount of distilled water. USE - The method is useful for preparing sulfonated graphene oxide (SGO)-zinc oxide(ZnO)-PSF complex ultrafiltration membrane. ADVANTAGE - The ultrafiltration membrane: is environmentally friendly; and prevents negatively charged humic acid contamination of the membrane.