▎ 摘 要
NOVELTY - A graphene porous material has specific surface area of 500-900 m2/g. USE - Graphene porous material used for absorbing flue gas (claimed). ADVANTAGE - The material has good adsorption properties and is recyclable. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene porous material comprising sonicating dubbed graphene oxide solution; vacuum freeze-drying; and carrying out thermal reduction.