▎ 摘　　要

NOVELTY - A magnetic graphene oxide-metal organic framework nanocomposite material comprises carbon-coated ferroferric oxide spherical nanoparticles deposited on surface of graphene oxide sheet, and zirconium 2-aminoterephthalate metal organic framework crystal particles attached to the surface of graphene oxide layered structure, and has specific surface area of 332.260 m2/g and porosity of 0.271 cm3/g. USE - Magnetic graphene oxide-metal organic framework nanocomposite material used for adsorbing lead ion in water restoration and purification (claimed). ADVANTAGE - The nanocomposite material has high specific surface area and sufficient porosity, and is magnetic material, which can be easily separated from the solution by applying an external magnetic field. DETAILED DESCRIPTION - A magnetic graphene oxide-metal organic framework (Fe3O4:C-GOMOF) nanocomposite material comprises carbon-coated ferroferric oxide spherical nanoparticles deposited on surface of graphene oxide sheet, and zirconium 2-aminoterephthalate metal organic framework (UiO-66-NH2) crystal particles attached to the surface of graphene oxide layered structure, and has specific surface area of 332.260 m2/g and porosity of 0.271 cm3/g. INDEPENDENT CLAIMS are included for the following: preparation of the magnetic graphene oxide-metal organic framework nanocomposite material, which involves dissolving 0.1 g UiO-66-NH crystal particles in N,N-dimethylformamide for 10 minutes, adding 0.2 g carbon-coated ferroferric oxide-graphene oxide composite under ultrasonic wave condition for 10 minutes to obtain mixture, then mechanically stirring for 2 hours, collecting the product using an external permanent magnet, washing 3 times with methanol, and freeze-drying for 48 hours; and2 use of the magnetic graphene oxide-metal organic framework nanocomposite in water restoration and purification.