▎ 摘　　要

NOVELTY - The membrane has a graphene oxide layer on porous base material film containing polyketone resin. The graphene oxide layer contains an amine compound. USE - Composite semi-permeable membrane used for water treatment such as wastewater purification, and separation and purification and concentration of valuable resources in various water-based liquids and organic-based liquids in chemical industry and pharmaceutical industry. ADVANTAGE - The composite semi-permeable membrane has excellent permeability, and is efficiently used in both aqueous and organic liquid systems.