▎ 摘　　要

NOVELTY - Preparation of in-situ grown polyacid niobium/graphite photocatalyst comprises dispersing graphene oxide into solvent to obtain mixed solution and reacting. USE - The method is used for preparing in-situ grown polyacid niobium/graphite photocatalyst for degradation of tetracycline (claimed). ADVANTAGE - The photocatalyst has no precious metal, no oxygen source, excellent photocatalytic oxidation effect on tetracycline under visible light condition, simple preparation method, good photoactivity, and certain stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for polyacid niobium/graphite photocatalyst.