Solid Super Acid of S2O82- /FexOy-CuOx Catalytic Degradation of Orange IV

Ying Jie Zhang; Guo Rui Liu; Da Peng Li; Yue Xiao Tian; Li Zhang; Li Li

doi:10.4028/www.scientific.net/AMR.239-242.182

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Solid Super Acid of S2O82- /FexOy-CuOx Catalytic...

Solid Super Acid of S₂O₈^2- /FexOy-CuOx Catalytic Degradation of Orange IV

Abstract:

Solid super acid (S₂O₈^2-/Fe_xO_y-CuO_x) was prepared and used as a heterogeneous Fenton-like catalyst to decompose H₂O₂ for the degradation of refractory dye Orange IV in water. The factors that affected the degradation of Orange IV were discussed in this heterogeneous Fenton-like system. The catalytic activity of S₂O₈^2-/Fe_xO_y-CuO_x was evaluated by the degradation of Orange IV and the decomposition of H₂O₂. The results show that the catalyst S₂O₈^2-/Fe_xO_y-CuO_x has a good catalytic activity. The reaction follows pseudo-first-order kinetics; the reaction rate constant has a good relationship with the concentration of H₂O₂. The degradation rate of Orange IV and the decomposition rate of H₂O₂ increase with the increase of temperature and the dosage of catalyst whereas it decreases with the increase of the initial concentration of Orange IV and the initial pH.

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

182-185

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.182

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Online since:

May 2011

Authors:

Ying Jie Zhang, Guo Rui Liu, Da Peng Li, Yue Xiao Tian, Li Zhang, Li Li

Keywords:

Fenton-Like Oxidation, Hydroxyl Radical, Orange IV, Solid Super Acid

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