▎ 摘　　要

NOVELTY - Preparing heavy medium material for comprises (i) adding iron salt solution into the graphene oxide suspension, uniformly stirring to forming a first solution and (ii) adding hydrazine hydrate into the first solution, uniformly stirring and adding ammonium carbonate solution, heating to 90-100℃ for 2-4 hours, centrifuging, washing, drying and annealing to obtain the coagulation-adsorption synergistic effect of heavy medium material. USE - Used as preparing heavy medium material for strengthening coagulation-adsorption synergistic effect. ADVANTAGE - The method has simple and feasible, economical, the yield is high, has strong stability and can be reused. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for heavy medium material strengthen the coagulation-adsorption synergy, obtained by the method as mentioned above.