▎ 摘　　要

NOVELTY - Preparation of reduced graphene oxide/titanium dioxide photocatalytic filter membrane, involves adding graphene oxide and titanium dioxide, adding water and ethanol mixture, ultrasonically dispersing to obtain get reduced graphene oxide/titanium dioxide composite photocatalytic powder, dissolving in deionized water to obtain reduced graphene oxide/titanium dioxide aqueous solution, adding polyethylene oxide powder, stirring to obtain uniform mixed solution and electrostatic spinning the obtained uniform mixed solution to obtain final product. USE - Method for preparing reduced graphene oxide/titanium dioxide photocatalytic filter membrane for treating organic dye in wastewater (claimed). ADVANTAGE - The method enables preparation of reduced graphene oxide/titanium dioxide photocatalytic filter membrane with excellent recovery efficiency and excellent photocatalytic properties. DETAILED DESCRIPTION - Method for preparing reduced graphene oxide/titanium dioxide photocatalytic filter membrane, involves (S1) adding graphene oxide and titanium dioxide, adding water and ethanol mixture, forming reaction suspension, ultrasonically dispersing at 100-120 degrees C for 6-12 hours, naturally cooling, suction filtering and washing, vacuum drying to obtain get reduced graphene oxide/titanium dioxide composite photocatalytic powder, (S2) dissolving reduced graphene oxide/titanium dioxide composite photocatalytic powder in deionized water, stirring to obtain 0.5-10 %mass reduced graphene oxide/titanium dioxide aqueous solution, (S3) adding polyethylene oxide powder, stirring to obtain uniform mixed solution, (S4) adding uniform mixed solution to solution supply device, spinning at voltage of 11-18 kV, maintaining distance between spinning port and receiving device at 8-16 cm, flow rate of 0.5-1 mL/hour and electrostatic spinning to obtain final product. The quality of polyoxyethylene powder in mixed liquid is 3-9 %mass.