▎ 摘　　要

NOVELTY - Preparing cellulose-based catalytic membrane for treating dye wastewater by advanced oxidation process involves: (a) adding graphene oxide (GO) into ethylene glycol, then adding ferric chloride hexahydrate (FeCl3.6H2O) and sodium acetate, uniformly stirring, reacting the mixed solution at 150-170oC for 4-10 hours, washing and drying after the reaction is ended to obtain iron(II, III) oxide (Fe3O4)/RGO nano composite material; (b) respectively dissolving benzimidazole and cobalt(II) nitrate hexahydrate (Co(NO3)2.6H2O) in N,N-dimethylformamide, mixing, adding the Fe3O4/RGO nanocomposite into the mixed solution, uniformly stirring, and adding ammonia water, washing and drying to obtain the ZIF-9-at-Fe3O4/RGO composite material; and (c) adding cotton pulp cellulose into solvent system to prepare cellulose solution, adding ZIP-9-at-Fe3O4/RGO composite material into the cellulose solution, and uniformly mixing; pouring the dispersion liquid into a surface vessel; and drying. USE - The method is useful for preparing cellulose-based catalytic membrane for treating dye wastewater by advanced oxidation process (claimed). ADVANTAGE - Tthe composite catalytic membrane with different additive amounts of the composite material has very high catalytic activity with 96% of methylene blue can be degraded within 10 minutes. The catalytic membrane can be easily separated from the reaction system, and recycling of the catalyst can be facilitated. DETAILED DESCRIPTION - Preparing cellulose-based catalytic membrane for treating dye wastewater by advanced oxidation process involves: (a) adding graphene oxide (GO) into ethylene glycol, then adding ferric chloride hexahydrate (FeCl3.6H2O) and sodium acetate, uniformly stirring to obtain a mixed solution A, reacting the mixed solution at 150-170oC for 4-10 hours, washing and drying after the reaction is ended to obtain iron(II, III) oxide (Fe3O4)/rGO nano composite material; (b) respectively dissolving benzimidazole and cobalt(II) nitrate hexahydrate (Co(NO3)2.6H2O) in N,N-dimethylformamide, mixing to obtain mixed solution B, adding the Fe3O4/RGO nanocomposite into the mixed solution B, uniformly stirring, and adding ammonia water after stirring for 1-2 hours, washing and drying to obtain the ZIF-9-at-Fe3O4/RGO composite material, where the ratio of benzimidazole, Co(NO3)2. 6H2O and Fe3O4/RGO is (5-10) mmol:(5-10) mmol:(3-5) g; and (c) adding cotton pulp cellulose into a solvent system to prepare a cellulose solution, adding ZIP-9-at-Fe3O4/RGO composite material into the cellulose solution, and uniformly mixing to obtain a dispersion liquid, where the ZIF-9-at-Fe3O4/RGO composite material accounts for 25-35 mass% of the mass of the cotton pulp cellulose; pouring the dispersion liquid into a surface vessel for heat preservation and then generating a membrane; and drying to obtain a cellulose-based catalytic membrane for treating dye wastewater by advanced oxidation process. An INDEPENDENT CLAIM is included for a cellulose-based catalytic membrane prepared by using above, and used for treating dye wastewater by advanced oxidation process.