▎ 摘　　要

NOVELTY - Preparing low oxidation degree graphene/zinc oxide nanocomposite film comprises e.g. (i) adding potassium permanganate to concentrated sulfur acid and phosphoric acid mixed solution in beaker to obtain low oxidation degree graphene, (ii) taking three-necked flask and dropping funnel, transferring mixture to polytetrafluoroethylene reactor and vacuum drying to obtain zinc oxide nanorod, and (iii) adding deionized water in beaker, adding product of step (i) and zinc oxide nanorod of step (ii), and mixing mixed cellulose film, carrying out vacuum filtration and vacuum drying. USE - The low oxidation degree graphene/zinc oxide nanocomposite film is useful in removing dye molecules in water (claimed). ADVANTAGE - The films has excellent mechanical properties and water flux, and stable separation performance. DETAILED DESCRIPTION - Preparing low oxidation degree graphene/zinc oxide nanocomposite film comprises (i) adding potassium permanganate to concentrated sulfur acid and phosphoric acid mixed solution in beaker, adding graphite powder, stirring, then adding mixed solution of graphite powder in ice-water bath, adding deionized water after vacuum filtration, centrifugating and filtrating, then washing with deionized water and hydrogen peroxide to obtain low oxidation degree graphene, (ii) taking three-necked flask and dropping funnel, adding zinc acetate into ethanol to obtain zinc acetate solution, adding sodium hydroxide into ethanol to obtain sodium hydroxide solution under magnetic stirring, adding sodium hydroxide ethanol solution to zinc acetate ethanol solution through dropping funnel, then dripping, transferring mixture to polytetrafluoroethylene reactor for constant temperature thermal reaction then isolating solid product by centrifugation, washing with deionized water and ethanol and vacuum drying to obtain zinc oxide nanorod, and (iii) adding deionized water in beaker, adding product of step (i) and zinc oxide nanorod of step (ii) , magnetically stirring and mixing mixed cellulose film ultrasonically with pore size of 0.45 mu m as base film, carrying out vacuum filtration and vacuum drying to obtain final product.