• 专利标题:   Preparing graphene composition useful for absorbing polycyclic aromatic hydrocarbon pollutant, comprises spreading graphene in precursor solution of support body material, then solidifying precursor of support body material and obtaining.
  • 专利号:   CN102059095-A, CN102059095-B
  • 发明人:   SHEN X, CUI Y, PANG Y
  • 专利权人:   UNIV JIANGNAN
  • 国际专利分类:   B01J020/20, B01J020/30
  • 专利详细信息:   CN102059095-A 18 May 2011 B01J-020/20 201151 Pages: 7 Chinese
  • 申请详细信息:   CN102059095-A CN10579924 09 Dec 2010
  • 优先权号:   CN10579924

▎ 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.