▎ 摘　　要

NOVELTY - Preparation of graphene oxide modified oil-water separation filter paper involves dipping a filter paper in a graphene oxide solution by dip coating method, ultrasonically dispersing at 200-400 W and 25-35 degrees C for 1-3 hours, and naturally drying at room temperature for 12-36 hours. The filter paper is ordinary middle-speed qualitative or quantitative filter paper having an average hole diameter of 1-50 microns. The graphene oxide solution contains graphene oxide, deionized water and anhydrous ethanol in a ratio of 1-5 g:20-30 mL:70-80 mL. USE - Preparation of graphene oxide modified oil-water separation filter paper used in separation of oil and water, and treatment of oily wastewater (all claimed). ADVANTAGE - The method enables simple and economical preparation of graphene oxide modified oil-water separation filter paper having excellent stability and oil-water separation effect. The graphene oxide modified oil-water separation filter paper enables quick separation of oil and water.