Characterization of Photocatalytic Nanocomposites contains Reduced Graphene Oxide and Polymeric Membrane for Dye Degradation Purpose

Document Type : Review paper

Authors

1 a) Department of Polymer Engineering & Color Technology, b) Color & Polymer Research Center (CPRC), Amirkabir University of Technology

2 Color & Polymer Research Center (CPRC), Amirkabir University of Technology

3 - Color & Polymer Research Center (CPRC), Amirkabir University of Technology

Abstract

Textile industry is one of the industries that its waste has been known as one of the most important environmental hazards. This wastewater contains large amount of dyes, chemicals compounds and heavy metals that are dangerous to human health and the environment. Coagulation, biological methods and advanced oxidation are the most widely used methods in the treatment of wastewater. The main mechanism of advanced oxidation processes generates low waste and uses hydroxyl radicals as their main oxidative power, which these radicals can destroy oxidation-resistant compounds. Also, the use of semiconductors with a suitable energy gap that can respond well to the stimulation of visible light helps to improve this process. On the other hand, reduced graphene oxide is used to improve photocatalytic properties and, consequently, to improve the motion of electrons. Therefore, the combination of these two materials in the composite significantly increases the photocatalytic performance efficiency and causes high absorption and conductivity properties, which resulted to degradation of the pollutants.In addition, fixing these materials in the polymer membrane, while improving the photocatalytic process can prevent of dispersion of photocatalyst particles into refined effluents.

Keywords

References

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Journal of Studies in Color World
Volume 9, Issue 1
May 2019
Pages 13-22

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History

  • Receive Date: 12 September 2018
  • Revise Date: 25 February 2019
  • Accept Date: 13 March 2019

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