▎ 摘　　要

NOVELTY - Preparing electrochemical self-cleaning conductive composite film involves dispersing graphene quantum dots and carbon nanomaterials in a solvent, adding aniline and concentrated hydrochloric acid under ice bath, then slowly adding ammonium persulfate-hydrochloric acid solution to the above solution, dispersing the precursor powder and sodium dodecylbenzenesulfonate obtained in water to obtain a precursor dispersion, carrying out suction filtration on the surface of the organic basement membrane, fixing the precursor and the crosslinking agent on the organic substrate film, soaking the obtained film into the glutaraldehydehydrochloric acid solution for crosslinking, finally taking out and drying to obtain the conductive composite film. USE - Method for preparing electrochemical self-cleaning conductive composite film used in electrically driven cross-flow pressure pool device for treating waste water containing organic macromolecule (all claimed). ADVANTAGE - The method enables to prepare electrochemical self-cleaning conductive composite film that has higher non-faradaic capacitance, which is beneficial to improve the electrostatic repulsion to charged pollutants. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: 1. an electrically driven cross-flow pressure pool device, which comprises a film pool and the conductive composite film prepared by the preparation method, the conductive composite film is set in the film pool, the film pool is provided with a feeding port and a discharging port, the base film of the conductive composite film is set close to one side of the discharging port, one side close to the feeding port is provided with a counter electrode, the conductive composite film and the counter electrode are respectively connected with the direct current power supply through the lead, the counter electrode is made of titanium net, the conductive composite film and the titanium net as the counter electrode is provided with a spacer; and 2. a method for treating waste water containing organic macromolecule, where the electric-driven cross-flow pressure cell device is used to apply positive and negative alternating voltages to the conductive composite membrane.