▎ 摘 要
NOVELTY - Preparing nitrogen oxide absorbent comprises carrying out van der Waals force and hydrophobic interaction of the graphene material and adhering by modification to the graphene surface. USE - The absorbent is useful in absorption of liquid propellant (claimed). ADVANTAGE - The method: produces absorbent with good stable performance and absorption effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for nitrogen oxide absorbent, prepared as mentioned above.