▎ 摘　　要

NOVELTY - Preparing porous coordination network (PCN) metal organic framework and graphene oxide composite adsorption material comprises (i) using zirconium chloride and porphyrin complex as raw materials, preparing PCN metal organic framework by a solvothermal method, (ii) using graphene oxide as a raw material, and performing carboxylation modification treatment with bromoacetic acid to prepare carboxylated graphene oxide, and (iii) using ultrasonic-assisted stirring method to realizing compounding of the PCN metal organic framework and carboxylated graphene oxide to prepare a metal organic framework and a graphene oxide composite adsorption material. USE - The material is useful for treating acidic uranium-containing wastewater. ADVANTAGE - The material: has high adsorption efficiency, simple preparation process, short cycle, few by-products, and is economical.