▎ 摘　　要

NOVELTY - Preparation of silica/graphene oxide-modified polyurethane sponge adsorbent material involves dispersing graphene oxide in aqueous ethanol solution, dispersing, adding aqueous ammonia, adjusting pH to 9-11, adding trifunctional silane and difunctional silane to the resultant mixed solution, stirring, aging, obtaining graphene oxide/silicon dioxide composite solution, impregnating surface-treated polyurethane foam with composite solution, maintaining for 1-2 days, washing and drying. USE - Preparation of silica/graphene oxide-modified polyurethane sponge adsorbent material used in separation of oil and nonpolar and polar organic solvent in water (claimed), oil leakage treatment, industrial organic waste liquid treatment and water treatment. ADVANTAGE - The method provides silica/graphene oxide-modified polyurethane sponge adsorbent material having excellent adsorption selectivity and recycling performance.