期刊
DESALINATION AND WATER TREATMENT
卷 54, 期 9, 页码 2581-2591出版社
DESALINATION PUBL
DOI: 10.1080/19443994.2014.899927
关键词
Acid Yellow 23; Heterogeneous photocatalysis; UV/TiO2; Microemulsion; Pd-doped TiO2
资金
- Iranian Nanotechnology Society, University of Tabriz
- Islamic Azad University-Tabriz branch
In this paper, the application of palladium-doped TiO2 nanoparticles (Pd/TiO2) in photocatalytic degradation of the C.I. Acid Yellow 23 (AY23) dye as a water pollutant under UV light illumination and their synthesis via microemulsion method is reported. The prepared catalysts were characterized using transmission electron microscopy, scanning electron microscopy, XRD, and energy-dispersive X-ray techniques. The effect of parameters such as Pd loading, photocatalyst dosage, initial dye concentration, and calcinations temperature on the photocatalytic activity of the catalysts was investigated. The optimum conditions leading to the highest photonic efficiency were found to be using of 0.75 wt% of Pd loading on TiO2, photocatalyst dosage of 600 mg L-1, and calcination temperature of 300 degrees C for initial dye concentration of 0.05 mM. A complete decolorization of 0.05 mM AY23 dye solution under UV irradiation at optimum conditions on Pd/TiO2 was observed in 30 min.
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