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- W3039451513 abstract "• Carbon-TiO 2 composites were synthesized using glycerol (residue of biodiesel). • Carbon- TiO 2 composites showed very good results for the removal of phenol in seawater. • Carbon-TiO 2 composites are better than commercial TiO 2 under visible light • Carbon-TiO 2 composites are sensitive under visible-light. In this work composites based on Activated Carbon (AC) and TiO 2 were synthesized by sol-gel method (containing 10 and 20 of TiO 2 , w%) using glycerol as source of carbon. These materials were used as photocatalysts for the removal of phenol in seawater. The photocatalysts were characterized by: Adsorption-Desorption of N 2 , Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), Infrared Spectroscopy (FTIR), and X-Ray Photoelectronic Spectroscopy (XPS). The photocatalytic test were carried out under UV-C light (254 nm) and Visible light (320−700 nm). The AC-TiO 2 composites showed a high surface area, in special AC which reported 1900 (m 2 . g −1 ). The TiO 2 contained in the composites corresponds to the crystalline form of Anatase. The addition of TiO 2 to AC sensitized the material. The AC-TiO 2 composites are good photocatalyst for the removal of phenol in seawater, they were superior to the commercial TiO 2 (in both situation: under UV and Visible light). The presence of salts of seawater did not affect the heterogeneous photocatalysis under UV light, significantly; moreover, it was benefic under Visible light. In the photocatalysis, the best AC-TiO 2 composite removed up to 70 mg of phenol.g cat −1 under UV-C light, and 55 mg of phenol.g cat −1 under Visible light. According to our results, the AC-Ti composites showed promising properties for applications in the removal of organic compounds in seawater. The mechanism, photocatalyst reuse, the effect of scavenger and seawater salts are discussed." @default.
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- W3039451513 date "2022-04-01" @default.
- W3039451513 modified "2023-10-13" @default.
- W3039451513 title "Removal of phenol in seawater by heterogeneous photocatalysis using activated carbon materials modified with TiO2" @default.
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- W3039451513 doi "https://doi.org/10.1016/j.cattod.2020.06.064" @default.
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