▎ 摘　　要

NOVELTY - A composite adsorption material is formed by filling holes of porous spherical crosslinked resin with graphene oxide and/or modified graphene oxide. The modified graphene oxide is obtained by chemically modifying graphene oxide with modifying agent(s) chosen from chitosan, N-alkylamide-based carboxylic acid, N-alkylamide-based hydroxamic acid, ethylenediamine, diethylenetriamine, triethylenetetramine and tetraethylenepentamine. USE - Composite adsorption material is used for adsorbing organic material e.g. methylene blue, rhodamine B, active black 5, azure, phenol, bisphenol A, salicylic acid and p-toluenesulfonic acid, and heavy metal ion e.g. manganese ion, copper ion, lead ion, zinc ion, chromium ion, cadmium ion, mercury ion, arsenic ion, cobalt ion and nickel ion, in aqueous system (all claimed). ADVANTAGE - The composite adsorption material has excellent adsorption performance, and can be prepared by simple process under easily controllable reaction conditions, and is easy to use. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the composite adsorption material, which involves dispersing a polymeric monomer, a crosslinking agent, a pore-forming agent, an initiator and modified graphene oxide and/or graphene oxide, mixing resultant product with solution containing a dispersant, heating, subjecting resultant product to suspension polymerization, and curing, and optionally crosslinking resultant product in presence of a Lewis acid catalyst at 80-100 degrees C.