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Vol.5 , No. 2, Publication Date: Jul. 30, 2019, Page: 14-22
/Poly (Acrylic Cid)/TiO<sub>2</sub>/Graphene Oxide Nanocomposite Hydrogels for Photocatalytic Degradation of Organic Pollutants&description=Poly (vinyl alcohol)/poly (acrylic acid)/TiO<sub>2</sub>/graphene oxide nanocomposite hydrogels were prepared using radical polymerization and condensation reacti006Fn for the photocatalytic treatment of waste water. Graphene oxide was used as an additive to improve the photocatalytic activity of poly (vinyl alcohol)/poly (acrylic acid)/TiO<sub>2</sub> nanocomposite hydrogels. Both TiO<sub>2</sub> and graphene oxide were immobilized in poly (vinyl alcohol)/poly (acrylic acid) hydrogel matrix for an easier recovery after the waste water treatment. By using different ratio of both TiO<sub>2</sub> and GO to show the best performance for the degradation of MB dye. The photocatalytic activity of poly (vinyl alcohol)/poly (acrylic acid)/TiO<sub>2</sub>/graphene oxide nanocomposite hydrogels was evaluated on the base of the degradation of pollutants by using UV spectrometer. The improved removal of pollutants was due to the two-step mechanism based on the adsorption of pollutants by nanocomposite hydrogel and the effective decomposition of pollutants by TiO<sub>2</sub> and graphene oxide. The highest swelling of nanocomposite hydrogel was observed at pH 10 indicating that poly (vinyl alcohol)/poly (acrylic acid)/TiO<sub>2</sub>/graphene oxide nanocomposite hydrogels were suitable as a promising system for the treatment of basic waste water.&picture=http://www.aascit.org/aascit/decorators/img/journal/978.jpg)
| [1] | Asmaa El-Zoghby, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt. |
| [2] | Rafik Abbas, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt. |
| [3] | Wagih Sadik, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt. |
| [4] | Abdel Ghaffar El Demerdash, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt. |
Poly (vinyl alcohol)/poly (acrylic acid)/TiO2/graphene oxide nanocomposite hydrogels were prepared using radical polymerization and condensation reacti006Fn for the photocatalytic treatment of waste water. Graphene oxide was used as an additive to improve the photocatalytic activity of poly (vinyl alcohol)/poly (acrylic acid)/TiO2 nanocomposite hydrogels. Both TiO2 and graphene oxide were immobilized in poly (vinyl alcohol)/poly (acrylic acid) hydrogel matrix for an easier recovery after the waste water treatment. By using different ratio of both TiO2 and GO to show the best performance for the degradation of MB dye. The photocatalytic activity of poly (vinyl alcohol)/poly (acrylic acid)/TiO2/graphene oxide nanocomposite hydrogels was evaluated on the base of the degradation of pollutants by using UV spectrometer. The improved removal of pollutants was due to the two-step mechanism based on the adsorption of pollutants by nanocomposite hydrogel and the effective decomposition of pollutants by TiO2 and graphene oxide. The highest swelling of nanocomposite hydrogel was observed at pH 10 indicating that poly (vinyl alcohol)/poly (acrylic acid)/TiO2/graphene oxide nanocomposite hydrogels were suitable as a promising system for the treatment of basic waste water.
Keywords
Graphene Oxide, Photocatalyst, Hydrogel, Poly (Acrylic Acid), Nanocomposite
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