▎ 摘　　要

NOVELTY - Preparing denitration synergistic carbon dioxide adsorption material comprises (1) uniformly dispersing the graphene oxide (GO) in deionized water under stirring, ultrasonically uniformly stirring, (2) adding specific amount of tetraethyl silicate to the absolute ethanol solution to obtain composite solution B, (3) slowly dropping solution A into solution B under stirring to obtain mixed solution C, (4) placing the mixed solution C of step (3) in a 30 degrees C water bath, (5) adding ethanol to the gel in step (4) for aging, and adding n-hexane for replacement, (6) taking out the sample replaced in step (5) and freeze-drying to obtain dry silicon dioxide-graphene aerogel, (7) dissolving specific amount of catalyst active component precursors, catalyst additives, and cosolvent oxalic acid in deionized water, (8) adding the solution D obtained in step (7) to the silicon dioxide-graphene aerogel, and (9) adding compound E in step (8) to a toluene solution of gamma -aminopropyltriethoxysilane. USE - The method is useful for preparing denitration synergistic carbon dioxide adsorption material. ADVANTAGE - The adsorption material: has denitration and carbon dioxide adsorption; and can realize carbon dioxide capture while realizing flue gas nitrogen oxides (NOx) treatment. DETAILED DESCRIPTION - Preparing denitration synergistic carbon dioxide adsorption material comprises (1) uniformly dispersing the graphene oxide (GO) in deionized water under stirring, ultrasonically uniformly stirring, and adding hydrochloric acid to adjust the pH to obtain a mixed solution A, (2) adding specific amount of tetraethyl silicate to the absolute ethanol solution to obtain composite solution B, (3) slowly dropping solution A into solution B under stirring to obtain mixed solution C, (4) placing the mixed solution C of step (3) in a 30 degrees C water bath, adding 10% ammonia ethanol solution dropwise, adjusting the pH to 7, and then placing in a 40 degrees C water bath until it gels, (5) adding ethanol to the gel in step (4) for aging, and adding n-hexane for replacement, (6) taking out the sample replaced in step (5) and freeze-drying to obtain dry silicon dioxide-graphene aerogel, (7) dissolving specific amount of catalyst active component precursors, catalyst additives, and cosolvent oxalic acid in deionized water to obtain mixed solution D, (8) adding the solution D obtained in step (7) to the silicon dioxide-graphene aerogel, soaking, and drying, calcining to obtain compound E, and (9) adding compound E in step (8) to a toluene solution of gamma -aminopropyltriethoxysilane and soaking it at 80 degrees C for 0.5-2 hours, drying at 80 degrees C, and obtaining the denitration synergistic carbon dioxide adsorption material. An INDEPENDENT CLAIM is also included for adsorption material prepared by the method for preparing denitration synergistic carbon dioxide adsorption material.