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Vol. 28 No. 2 (2016): Vol 28 Issue 2

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Photocatalytic Removal of Alizarin Yellow R from Water using Modified Zinc Oxide Catalyst

https://doi.org/10.14233/ajchem.2016.19292
Ahmed K. Abass
Department of Chemistry, College of Science, University of Al-Qadisiyah, Al-Diwaniyah, Qadisiyah, Iraq
Suzan D. Raoof
Department of Chemistry, College of Science, University of Al-Qadisiyah, Al-Diwaniyah, Qadisiyah, Iraq

Corresponding Author(s) : Ahmed K. Abass

ahmedkadhim1975@gmail.com

Asian Journal of Chemistry, Vol. 28 No. 2 (2016): Vol 28 Issue 2

Abstract

The research described about the photocatalytic efficiency of zinc oxide on the photolysis of Alizarin Yellow R. Alizarin Yellow R was used as a model of azo dyes which regarded as a main water pollutants. Some variables influencing the process where studied such as: calcination temperature of catalyst, concentration of the dye, weight of catalyst, time of irradiation and doping by transition metal ions. The best degradation percentage obtained was 92.541 % by using zinc oxide prepared at calcination temperature 773 K, weight 0.3 g, dye concentration 40 ppm and through 2 h irradiation time of dye solution in the presence of medium pressure mercury lamp 400 watt. The percentage obtained was 90.850 % by using ZnO-Co, The kinetic studies showed that the reaction from pseudo first order.

Keywords

Alizarin Yellow R ZnO Advanced oxidation process Modification of catalyst surface
Abass, A. K., & Raoof, S. D. (2015). Photocatalytic Removal of Alizarin Yellow R from Water using Modified Zinc Oxide Catalyst. Asian Journal of Chemistry, 28(2), 312–316. https://doi.org/10.14233/ajchem.2016.19292
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