▎ 摘　　要

NOVELTY - High strength graphene oxide aerogel adsorption material, comprises an aerogel skeleton composed of a graphene oxide sheet layer, a coating layer composed of sodium alginate which is coated on the surface of graphene oxide sheets, and interpenetrating network connection point composed of polyethyleneimine/sodium alginate forming a joint between the layers of graphene oxide sheets. USE - The material is useful in chromium (VI) ions adsorption (claimed), and in water treatment field. ADVANTAGE - The material has excellent absorption and regeneration performances. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing high strength graphene oxide aerogel adsorption material, comprising (i) uniformly mixing aqueous dispersion of graphene oxide and polyethyleneimine, and aqueous solution sodium alginate, and reacting to obtain composite graphene hydrogel, (ii) cross-linking obtained composite graphene hydrogel and sodium alginate in aqueous solution of calcium chloride to obtain interpenetrating network structure of the hydrogel, and (iii) dialyzing obtained interpenetrating network structure of the hydrogel, freezing and drying to obtain final product; and (2) use of adsorption material adsorption material in chromium (VI) ions adsorption.