▎ 摘　　要

NOVELTY - The method for preparing graphite-formaldehyde activated carbon, involves (S1) adding activated carbon particles to hydrogen peroxide, activating the carbon surface, reducing surface energy, drying, (S2) ultrasonically mixing graphene solution and lysine to obtain uniform graphene lysine aqueous solution, (S3) mixing activated carbon and graphene lysine solution, drying get graphene in addition to formaldehyde activated carbon. USE - Method for preparing graphite-formaldehyde activated carbon for air purification. ADVANTAGE - The environmentally-friendly method enables preparation of graphite-formaldehyde activated carbon with high specific surface area and high efficiency.