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Photocatalytic Degradation and Kinetics of Methyl Orange with Bi-Doped TiO2 under Simulated Sunlight

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Abstract:

Bi-doped TiO2 was prepared with sol-gel method and was characterized by X-ray photoelectron spectroscopy (XPS). The photocatalytic degradation and kinetics of Methyl orange with Bi-doped TiO2 under xenon lamp irradiation were investigated. The optimum conditions were as follows: the initial concentration of Methyl orange was 20 mg/L, the value of pH was 3.0 and the dosage of Bi-doped TiO2 was 1.0 g/L. Under the optimal conditions, the decolorization rate of Methyl orange was 75.1 % and the kinetic constant was 0.0113 min-1.

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Periodical:

Advanced Materials Research (Volumes 641-642)

Pages:

229-232

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.641-642.229

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Online since:

January 2013

Authors:

Chuan Rong, Xiao Li Dong, Chun Ma, Xin Xin Zhang, Fei Shi

Keywords:

Bi-Doped TiO2, Kinetic, Photocatalytic Degradation, Simulated Sunlight

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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