▎ 摘　　要

NOVELTY - The utility model is an organic ultrafiltration membrane. comprising a graphene oxide layer (1), the polyamide layer (2), titanium dioxide particles (3) polyvinylidene fluoride hollow fibre organic ultrafiltration membrane (4), wherein the polyvinylidene fluoride hollow fibre ultrafiltration membrane (4) is provided with a filter film pipe hole (5); graphene oxide sheet layer (1) and a titanium dioxide particle (3) attached on the polyvinylidene fluoride hollow fibre organic ultra-filtration membrane (4) surface, the upper layer is a polyamide skin layer (2), the polyamide layer (2) polymerizing the graphene oxide sheet layer (1) and the titanium dioxide particles (3). The utility model can greatly improve the modification membrane pollution, material separation and good concentration effect, meet the actual need, it has simple structure, convenient use.