“…[6,7] How to achieve green, fast, efficient and low energy consumption treatment of oily wastewater, and develop efficient, clean and advanced oil-water separation materials, has received extensive attention from a host of researchers. [8][9][10][11] At present, common oil and water separation methods include: gravity separation, chemical precipitation, mechanical separa-tion, adsorption, air flotation, biological method, electrolysis, etc. [12][13][14] Although these methods are simple and convenient, they have disadvantages such as low separation efficiency, high cost, poor oil recovery rate, easy to produce secondary pollution and difficult to achieve industrial production.…”