▎ 摘　　要

NOVELTY - Preparation of magnetic graphene oxide composite material comprises mixing ferric chloride hexahydrate, sodium acetate, surfactant and ethylene glycol, adding graphene oxide (GO), cooling to room temperature, performing magnetic separation, washing, drying iron (IV) oxide@GO mixed solution, mixing iron (IV) oxide@GO mixed solution with ferrous salt solution and acrylic acid, performing ultrasonic dispersion mixed solution, injecting with inert gas for irradiation treatment, performing magnetic separation, washing and drying. USE - The method is for preparation of magnetic graphene oxide composite material. ADVANTAGE - The method increases adsorption site, improves adsorption effect with heavy metal ions. The material has unique external magnetic field response characteristics, easy separation and easy recovery after adsorption and avoids secondary pollution.