▎ 摘　　要

NOVELTY - Preparing graphene aerogel air purification filters net comprises (i) diluting the graphene oxide solution with a solvent to obtain graphene oxide solution, where the concentration of the obtained graphene oxide solution is 0.01 mg/ml; (ii) adding a reducing agent to the graphene oxide solution obtained in the step (i), in a mass ratio of 10:1 to 1:100 and stirring for 10-600 minutes or ultrasonic for 10-600 minutes until the mixture is uniformly mixed, (iii) adding the mixture to the mold, placing the mold in a water bath and increasing the temperature to 50-100 degrees C for 1-6 hours to obtain a graphene hydrogel, and (iv) subjected the graphene hydrogel obtained in the step (iii) to freeze-drying to remove the moisture content of the graphene hydrogel. USE - The method is useful for preparing graphene aerogel air purification filters net. ADVANTAGE - The graphene has large specific surface area and strong absorption capacity, so absorbs the pollutant in the air so as to purify the air.