Synthesis, characterization and application of Al-Ag/ZnO nano-photocatalyst for dye degradation in a new multi-layered cylindrical photoreactor

Authors

  • Mohammad Ebrahim Olya head of environmental research department institute for color science and technology
  • Bahman ZareNezhad
  • Mohammad Reza Khodadadi

Abstract

A new Al-Ag/ZnO nano-photocatalyst has been synthesized by doping technique for degradation of Reactive Blue 19 (RB19) under UV irradiation. The photocatalytic activity of the fabricated nanocatalyst has been investigated in a newly invented multi-layered cylindrical reactor. The synthesized Al-Ag/ZnO has much more photocatalytic activity as compared to the ZnO and Ag/ZnO at similar operating conditions. It is found that the photocatalytic degradation using the synthesized nano-photocatalyst follows pseudo first order kinetic model. The electrical energy consumption using the synthesized nano-photocatalyst in this work is much lower than those of the other process alternatives.

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Published

2015-06-21

Issue

Vol. 4 No. 3 (2015)

Section

Environmental Chemistry

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