▎ 摘 要
NOVELTY - Preparing graphene composition, comprises spreading graphene in precursor solution of support body material, solidifying precursor of support body material to obtain graphene composition. The manufacturing step and absorbing process comprises (i) preparing graphene dispersion solution, (ii) preparing precursor solution, (iii) mixing, (iv) solidifying the precursor, adding graphene to obtain the product, and (v) dipping in the solution containing polycyclic aromatic hydrocarbon (PAH), processing via adsorption column, contacting the graphene with PAH and absorbing PAH on surface of graphene. USE - The graphene composition is useful for absorbing polycyclic aromatic hydrocarbon pollutant. ADVANTAGE - The method utilizes large pi system of graphene and ultra-large specific surface area to improve the adsorption capacity of polycyclic aromatic hydrocarbons. DETAILED DESCRIPTION - Preparing graphene composition, comprises spreading graphene in precursor solution of support body material, solidifying precursor of support body material to obtain the graphene composition. The manufacturing and absorbing process comprises (i) preparing graphene dispersion solution (0.01-20%), (ii) preparing precursor solution of the support body material, (iii) mixing the graphene dispersion solution and the precursor solution of the support body material, where the quality content of graphene is 0.01-15%, (iv) solidifying the precursor of the support body material, adding graphene to obtain the graphene composition material, where the quality content of graphene in the produced solid composition is 0.05-25%, and (v) dipping the prepared graphene composition in the solution containing polycyclic aromatic hydrocarbon (PAH), maintaining at 0.2-10 hours, or processing the liquid polluted by the PAH by the adsorption column filled with graphene composition material, contacting the graphene with the PAH to form the pi - pi effect, and then absorbing the PAH on the surface of the graphene so that the absorbing capability of PAH and the content of the graphene on the surface of the composition having the direct proportion due to the pi - pi effect.