▎ 摘　　要

NOVELTY - Silver modified titanium dioxide/graphene/bentonite composite material comprises bentonite, graphene, silver and titanium dioxide. Mass ratio of bentonite and graphene is 50:1-5. Mass ratio of silver and graphene is 15-20:1. Mass ratio of titanium dioxide and graphene is 50-80:1. USE - Silver modified titanium dioxide/graphene/bentonite composite material used for degrading organic pollutants. ADVANTAGE - The material has improved photocatalytic properties and heavy metal absorption properties. The preparation method is simple and easy. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of silver modified titanium dioxide/graphene/bentonite composite material comprising mixing hydrazine hydrate, graphene oxide and titanium dioxide solution, adding silver nitrate solution dropwise, ultrasonic vibrating, adding bentonite suspension, mixing, adding silver nitrate solution dropwise, ultrasonic vibrating, drying, and calcining under inert gas atmosphere.