Indian Journal of Science and Technology

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Photodecolorization of Direct Yellow 86 (2-solamine) by Using Zinc Oxide Nanosized Deposited on Glass Beads


Affiliations
1 Department of Chemistry, Majlesi Branch, Islamic Azad University, Isfahan, India
2 Department of Basic Sciences, Yasouj Branch, Islamic Azad University, Yasouj, Iran, Islamic Republic of
 

In this research, photocatalyticdecolorization of Direct yellow 86(2-Solamine) in water in alkaline and neutral media under external UV light irradiation by zinc oxide nano-sized catalysts on granule glass as a semiconductor photocatalyst is described. The photodecomposition rates have been found to be different by applying the different atmospheres through degradation process. The effect of four type atmospheres including air, nitrogen, oxygen and argon was investigated. Kinetics of decolorizaton was investigated and pseudo-first order kinetic was found under oxygen and argon atmosphere. Finally it was found that photodecomposition using ZnOnano-sized layered on glass is a new alternative route for efficient wastewater treatment.

Keywords

Nano-sized Zinc Oxide, Photodecomposition, Photocatalyst, Sol-gel
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  • Photodecolorization of Direct Yellow 86 (2-solamine) by Using Zinc Oxide Nanosized Deposited on Glass Beads

Abstract Views: 394  |  PDF Views: 99

Authors

H. R. Ebrahimi
Department of Chemistry, Majlesi Branch, Islamic Azad University, Isfahan, India
M. Modrek
Department of Basic Sciences, Yasouj Branch, Islamic Azad University, Yasouj, Iran, Islamic Republic of
S. Joohari
Department of Basic Sciences, Yasouj Branch, Islamic Azad University, Yasouj, Iran, Islamic Republic of

Abstract


In this research, photocatalyticdecolorization of Direct yellow 86(2-Solamine) in water in alkaline and neutral media under external UV light irradiation by zinc oxide nano-sized catalysts on granule glass as a semiconductor photocatalyst is described. The photodecomposition rates have been found to be different by applying the different atmospheres through degradation process. The effect of four type atmospheres including air, nitrogen, oxygen and argon was investigated. Kinetics of decolorizaton was investigated and pseudo-first order kinetic was found under oxygen and argon atmosphere. Finally it was found that photodecomposition using ZnOnano-sized layered on glass is a new alternative route for efficient wastewater treatment.

Keywords


Nano-sized Zinc Oxide, Photodecomposition, Photocatalyst, Sol-gel

References





DOI: https://doi.org/10.17485/ijst%2F2012%2Fv5i1%2F30938