▎ 摘　　要

NOVELTY - Vanadic acid bismuthgraphene composite photo-catalyst, comprising mass ratio of bismuth vanadium oxide and graphene 1:1, is new. USE - In high pressure mercury lamp as light source, decoloring treatment of methyl orange. ADVANTAGE - In the bismuth vanadate-graphene composite photocatalyst, photo-catalytic activity is high and the production cost is low, the preparation is simple, short, and environment-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for vanadic acid bismuthgraphene composite photo-catalyst (I).