The degradation of rhodamine B

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The TiO2-graphene oxide-Hemin ternary hybrid composite material as an efficient heterogeneous catalyst for the degradation of organic contaminants

TiO2-Graphene Oxide-Hemin (TiO2/GO/Hemin) ternary composite hybrid material was prepared by the sol-gel method and used as a heterogeneous catalyst for the photocatalytic degradation of organic contaminants. The catalytic activity of GO-TiO2-Hemin was evaluated by the degradation of Rhodamine B (RhB) under the UV-visible light irradiation and in the presence of hydrogen peroxide.

9p tamynhan4 06-09-2020 17 3 Download

Catalytic activity of TiO2/sepiolites in the degradation of rhodamine B aqueous solution

The sepiolite support possesses fibrous structure. X-ray diffraction analysis pointed out that the TiO2 particles are firmly distributed on fibrous sepiolite matrix. All TiO2/sepiolite samples were tested for the degradation of rhodamine B and showed a high catalytic activity. The experimental data showed that the degradation efficiency of rhodamine B is correlated with the amount of TiO2 loadings and oxidant behavior. At room temperature, the conversion of rhodamine B reaches to 99-100 % over 6.0 wt% TiO2/sepiolite catalyst.

5p giesumanh 10-11-2018 57 1 Download