▎ 摘　　要

NOVELTY - Preparing ionic liquid-β-cyclodextrin-graphene oxide-carbon nanotube complex material, comprises (i) mixing graphene oxide, ionic liquid, β-cyclodextrin, water and carbon nanotubes, magnetically stirring for 30-60 minutes, and ultrasonically dissolving for 30-60 minutes to perform prepolymerization to obtain a prepolymer, and (ii) mixing the prepolymer, cross-linking agent and reducing agent, magnetically stirring for 10-15 minutes, evenly dissolving and carrying out polymerization reaction, filtering the obtained product and washing it with ultrapure water for 3-5 times, and freeze-drying for 24 hours. USE - The ionic liquid β-cyclodextrin-graphene oxide carbon nanotube complex material is useful in the adsorption of bendazone in the aqueous solution (claimed). ADVANTAGE - The complex material has better adsorption effect, simple operation and good application prospect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for ionic liquid β-cyclodextrin-graphene oxide-carbon nanotube complex obtained by above mentioned preparation method.