▎ 摘　　要

NOVELTY - An adsorption material is obtained by uniformly mixing green multilayer graphene oxide and alumina in mass ratio of 25.1-75.1:16.025-18.075. USE - Adsorption material (claimed). ADVANTAGE - The adsorption material having large specific surface area and excellent adsorption efficiency with respect to hydrotalcite is economically and stably prepared, without environmental pollution. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of adsorption material, which involves adding graphite and potassium permanganate, adding 30 ml concentrated sulfuric acid, heating solution at 100 degrees C for 2 hours, cooling product with water, and adding hydrogen peroxide.