▎ 摘　　要

NOVELTY - Preparing renewable composite material comprises (a) dissolving zirconium salt in water, ultrasonically dispersing to obtain a zirconium salt dispersion liquid, (b) dissolving graphene oxide in water, ultrasonically dispersing to obtain a graphene oxide dispersion liquid, (c) mixing the zirconium salt dispersion liquid and graphene oxide dispersion liquid to obtain a mixed solution, adding the mixed solution in a reaction kettle, reacting at 80-180 degrees C for 10-60 hours, centrifuging, washing, and drying to obtain the composite material. USE - The prepared composite material is useful for removing arsenic in waste water. ADVANTAGE - The prepared composite material has strong anti-interference performance, strong stability and reproducibility.