▎ 摘　　要

NOVELTY - Treating organic waste-water involves photocatalytic-degrading organic pollutants by graphene, which is electrical de-ionization adsorbent material to obtain biodegradable small molecules. Carbon-dioxide, inorganic ions and graphene leads to effective photocatalytic degradation, and removes organic contaminants. The organic waste contains metal ions. The photocatalyst is graphene supported metal oxide semiconductor composite electrode. The graphene is three-dimensional graphene and metal oxide semiconductor is titanium oxide or zinc oxide. USE - Method for treating organic waste-water (claimed). ADVANTAGE - The method enables to treat organic waste-water by using device, which consumes less energy, and is simple and efficient, and has good processing ability. DETAILED DESCRIPTION - Treating organic waste-water involves photocatalytic-degrading organic pollutants by graphene, which is electrical de-ionization adsorbent material to obtain biodegradable small molecules. Carbon-dioxide, inorganic ions and graphene leads to effective photocatalytic degradation, and removes organic contaminants. The organic waste contains metal ions. The photocatalyst is graphene supported metal oxide semiconductor composite electrode. The graphene is three-dimensional graphene and metal oxide semiconductor is titanium oxide or zinc oxide. The electrical de-ionization adsorbent material is graphene matrix composite such as graphene-carbon nano-tube composite, graphene-hollow carbon sphere, graphene-porous carbon or graphene-mesoporous carbon. An INDEPENDENT CLAIM is included for a device for treating organic waste-water, which includes photocatalyst, organic waste-water containing quartz jacketed vessel, electrical adsorption de-ionization unit consists of electric adsorption reaction cell, negative electrode, positive electrode, power supply, peristaltic pump and organic waste-water composition.