▎ 摘　　要

NOVELTY - Preparing high-dispersive magnetic separation and reduction graphene oxide/iron oxide/nano silver grade structure material comprises e.g. (i) mixing ferrous salt aqueous solution and graphene oxide water dispersion mixture, stirring, adding aqueous ammonia to form first solution, (ii) dissolving silver nitrate in deionized water to form silver nitrate solution, adding aqueous ammonia to obtain silver ammonia solution, and adding into first solution, mixing and reacting, cooling reaction system to room temperature, filtering, and washing residue with deionized water, and drying in vacuum. USE - The highly dispersive magnetic separation and reduction graphene oxide/iron oxide/nano silver grade structured material is useful in the field of organic dye reduction and degradation (claimed). ADVANTAGE - The layered structure material solves intermolecular stacking of graphene sheets, and has excellent performance including high dispersibility, high catalytic activity and magnetic field assisted separation; and preparation method has mild reaction condition, and is suitable for large-scale industrial production. DETAILED DESCRIPTION - Preparing high-dispersive magnetic separation and reduction graphene oxide/iron oxide/nano silver grade structure material comprises (i) mixing ferrous salt aqueous solution and graphene oxide water dispersion mixture, stirring, adding aqueous ammonia, adjusting system pH to 7-14 to form first solution, (ii) dissolving silver nitrate in deionized water to form silver nitrate solution, adding aqueous ammonia to obtain silver ammonia solution, and then adding into first solution, mixing and reacting at 60-100 degrees C for 3-12 hours, cooling reaction system to room temperature, filtering, and washing residue with deionized water, and drying in vacuum.