Study on Eu Doped ZnO Photocatalytic Degradation of Pharmaceutical Wastewater

Li Chen Luo; Lei Zhu; Xun Wang

doi:10.4028/www.scientific.net/AMM.700.482

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 700Study on Eu Doped ZnO Photocatalytic Degradation...

Study on Eu Doped ZnO Photocatalytic Degradation of Pharmaceutical Wastewater

Abstract:

In this paper,europium doped zinc oxide nanoparticles were prepared by Zn (CH₃COO)₂, Eu (NO₃)₅·6H₂0,NaOH,PEG2000 and Citric acid using hydrothermal method. The prepared powder was used for photocatalytic degradation, in which the influence ofreaction temperature, reaction time, illumination conditions as well as the doping ratio on the effect of photocatalytic oxidation were throughly investigated. Analytical methods, such as XRD, SEM and EDS were utilized in this study for characterization of the prepared powder. Results showed that Europium-doped zinc oxide with a 3% doping ratio reached optimal photocatalytic oxidation effect when the hydrothermal temperature was 160°C and hydrothermal time was 6 hours. By utilizing the prepared powder under optimal conditions, the decolorization rate of pharmaceutical wastewater reached 38.8% after treatment of 365nm UV irraditation for 150min, and the degradation rate of COD reached 57.5%.

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Periodical:

Applied Mechanics and Materials (Volume 700)

Pages:

482-486

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.700.482

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Online since:

December 2014

Authors:

Li Chen Luo*, Lei Zhu, Xun Wang

Keywords:

Eu Doped ZnO, Hydrothermal Method, Pharmaceutical Wastewater, Photocatalysis

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