▎ 摘　　要

NOVELTY - Preparing graphene/active carbon composite porous microsphere involves mixing the water soluble carbohydrates into water to prepare solution, uniformly mixing to obtain composite aqueous solution and oxidized graphene aqueous solution. Potassium hydroxide is added to composite aqueous solution for adjusting pH to more than 10 and the solution is stirred continuously to obtain the graphene oxide coated carbohydrate dispersion which is spray dried to obtain composite powder which is carbonized, activated and washed to obtain graphene/porous active carbon composite microspheres. USE - Method for preparing graphene/active carbon composite porous microsphere (claimed) used in air purification, water treatment and microwave absorbing material. ADVANTAGE - The method enables to prepare graphene/active carbon composite porous microsphere which has high specific surface area and hole volume and low density.