▎ 摘　　要

NOVELTY - Preparation of nano-graphene oxide modified film comprises adding 45-75 wt.% membrane material and 4-12 wt.% nano graphene oxide to the solvent, stirring, uniformly mixing to obtain sol, scraping sol film on non-woven, fixing on the tile with sol tripod, coating non-woven fabric with sol, placing in PTFE-sealed tank containing deionized water, heating to achieve sol fumigation, cooling to room temperature, striping off the fabric to obtain finished film, washing with ethanol and drying. USE - Method for preparing nano-graphene oxide modified film used in biological reactor (claimed).