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Application of Metallic Nanoparticles in Treatment of Wastewater Containing Dyestuffs

Hosseini, Reza | 2016

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 49027 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Shaygan, Jalalaldin
  7. Abstract:
  8. Textile industrial wastewaters are one of the most important sources of environmental contaminants. In the recent years, use of advanced oxidation processes, by producing highly active and reactive components such as hydroxyl radicals has been proposed. The aim of this research is oxidative degradation of methylene blue dye using Cu-nanoparticles immobilized on a polymer support with H2O2 as an oxidant reagent.In general, oxidative degradation of methylene blue with hydrogen proxide in the presence of immobilized CuO nanoparticles on a polymer support as the catalyst was studied. We used polyamidoamine (PAMAM) dendrimer as the polymer support for nanoparticles. fourth generation of PAMAM was synthesized on silica particles that help for easy separation and recovery of the catalyst. Degradation of methylene blue as the model reaction in different conditions including concentration of the catalyst, hydrogen proxide, and pH was studied using visible spectroscopy method.The results show that synthesis of PAMAM on silica surface and then immobilization of CuO nanoparticles were done successfully. Furthermore, the best condition for degradation of methylene blue occurred in the presence of 1 g/l of the catalyst,0/7M of H2O2 and at pH=4 .And at last we can conclude that use of PAMAM as suport of catalyst in oxidation of dye, could be a good choice and with a high degree of degradation
  9. Keywords:
  10. Copper Oxide Nanoparticles ; Polyamidoamine ; Methylene Blue ; Metallic Nanoparticles ; Textile Effluent ; Oxidative Degradation

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