Degradation of Azo Dye Orange II in Aqueous Solution by Homogeneous UV-Fenton Process with Low Concentration of Fe3+ as Catalyst

Jian Xin Chen; Zhao Ji Hu; Xue Xia Yuan; Yan Hong Yao; Jun Li

doi:10.4028/www.scientific.net/AMM.39.116

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 39Degradation of Azo Dye Orange II in Aqueous...

Degradation of Azo Dye Orange II in Aqueous Solution by Homogeneous UV-Fenton Process with Low Concentration of Fe³⁺ as Catalyst

Abstract:

In this paper, degradation of Orange II by homogeneous UV-Fenton process with low concentration of Fe3+ as catalyst was detected. And the effects of UV light wavelength, initial pH and reaction temperature on degradation of Orange II in homogeneous UV-Fenton system were studied in detail. It was found that the arithmetic sum of the rate constants of dye degradation in Fenton and UV-H2O2 and UV was much lower than that in UV-Fenton system with low concentration of Fe3+ as catalyst. The result showed that using low concentration of metallic salts as homogeneous catalyst would be a good alternative in UV-Fenton system for wastewater treatment.

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Periodical:

Applied Mechanics and Materials (Volume 39)

Pages:

116-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.39.116

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Online since:

November 2010

Authors:

Jian Xin Chen, Zhao Ji Hu, Xue Xia Yuan, Yan Hong Yao, Jun Li

Keywords:

Degradation, Hydroxyl Radical, Orange II, UV/Fenton, Wastewater Treatment

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