Efficient adsorption and full spectrum photocatalytic degradation of low concentration PPCPs promoted by graphene/TiO₂ nanowires hybrid structure in 3D hydrogel networks.

ABSTRACT: The removal of low concentration PPCPs from water is a challenging issue. A graphene hydrogel with 3D networks shows great potential for accelerating eddy diffusion of low concentration PPCPs. Herein, to further promote its molecular diffusion, a graphene/TiO₂ nanowires (GNW) hybrid structure was implanted into graphene hydrogel. The as-prepared rGO/GNW hydrogel exhibited significantly enhanced adsorption-photocatalytic performance and excellent stability for low concentration ethenzamide, a typical pharmaceutical pollutant in water, under vacuum ultraviolet (VUV), ultraviolet (UV), visible and near-infrared light irradiation. When the initial ethenzamide concentration was 500 ppb and catalyst dosage was 10 mg/150 mL, ethenzamide was completely removed in 3 min and the correspon

SUBMITTER: Hu Y 

PROVIDER: S-EPMC9122628 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature