▎ 摘　　要

NOVELTY - Preparation of magnetic response titanium dioxide nanotube/graphene composite material comprises ultrasonically dispersing graphene oxide in deionized water, adding titanium dioxide powder, ultrasonic dispersing, adding ferric chloride hexahydrate and ferrous sulfate heptahydrate, ultrasonic dispersing, adding sodium hydroxide, reacting at 110-140 degrees C for 24-36 hours, cooling, washing with deionized water, soaking in diluted hydrochloric acid solution for 0.5-1 hour, washing with deionized water and anhydrous ethanol, separating, vacuum drying, and sintering at 300-350 degrees C for 1-2 hours. USE - Method for preparing magnetic response titanium dioxide nanotube/graphene composite material (claimed) used for photocatalytic degradation of organic wastewater. ADVANTAGE - The composite material has targeted magnetic field photocatalytic positioning, can be separated and reused, and has enhance photocatalytic property. DETAILED DESCRIPTION - Preparation of magnetic response titanium dioxide nanotube/graphene composite material comprises ultrasonically dispersing graphene oxide in deionized water, adding titanium dioxide powder, ultrasonic dispersing, adding ferric chloride hexahydrate and ferrous sulfate heptahydrate, ultrasonic dispersing, adding sodium hydroxide, reacting at 110-140 degrees C for 24-36 hours, cooling, washing with deionized water to neutral, soaking in diluted hydrochloric acid solution for 0.5-1 hour, washing with deionized water and anhydrous ethanol, separating, vacuum drying, and sintering at 300-350 degrees C for 1-2 hours under nitrogen gas atmosphere.