▎ 摘　　要

NOVELTY - Electric conduction filter film comprises 1-10 mu m carbon nanotube, carbon nanofiber, graphene, nano copper or nano silver conductive wire, and secondary fiber and functional filler. USE - Electric conduction filter film used for treating heavy metal-containing wastewater. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of electric conduction filter film comprising taking electric conduction fiber, performing hydrophilic treatment, dispersing with secondary fiber in water, adding functional filler and additives, drying, dispersing carbon nanotube in water, drying, carrying out high temperature graphitization, loading asphalt base carbon fiber precursor or polyacrylonitrile precursor, oxidizing, performing carbonization and graphitization, and performing deposition method.