Abstract

TiO2nanoparticles were modified by β-cyclodextrin with crosslinking agent and characterized by X-ray diffraction (XRD) and infrared spectrum (IR spectrum). The X-ray diffraction examination showed that the crystal pattern of TiO2was not changed because of low-temperature during modification process. Analysis of IR spectrum showed that β-cyclodextrin was supported on surface of TiO2nanoparticles. The adsorption control experiment indicated β-cyclodextrin modification methods strongly enhanced adsorption capacity of TiO2for bisphenols A(BPA), because β-cyclodextrin which was on surface of nanoparticles increased the adsorption active sites of TiO2.

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