▎ 摘　　要

NOVELTY - Preparation of visible light responsive degraded polyacrylamide photocatalyst comprises mixing graphene, titanium dioxide and distilled water, ultrasonically processing at 60-110 Hz for 20-150 minutes to obtain suspension, adding bromine source, uniformly stirring, adding silver salt and ammonia water, stirring at room temperature for 0.5-30 hours, filtering, washing, drying at 20-100 degrees C and calcining at 300-700 degrees C for 50 minutes-6 hours under protection of nitrogen atmosphere. USE - Method for preparing visible light responsive degraded polyacrylamide photocatalyst (claimed). ADVANTAGE - The method has simple operation.