▎ 摘　　要

NOVELTY - A titanium dioxide/graphene composite photocatalyst comprises 40-70% titania nanoparticles or titania nanosheet having particle size distribution of 4-80 nm, and has specific surface area of 150-420 m2/g. USE - Titanium dioxide/graphene composite photocatalyst is used in catalytic degradation of nitrogen-containing organic dye wastewater (claimed). ADVANTAGE - The titanium dioxide/graphene composite photocatalyst has high specific surface area, and excellent dispersibility and photocatalytic degradability with respect to dye wastewater. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of titanium dioxide/graphene composite photocatalyst.