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Vol. 29 No. 1 (2017): Vol 29 Issue 1

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Photocatalytic Degradation of Eosin Blue, Acid Orange and Orange G using H2O2 Sensitized Bi2WO6 and Visible Light

https://doi.org/10.14233/ajchem.2017.20146
K. Deepthi*
Department of Inorganic & Analytical Chemistry, Andhra University, Visakhapatnam-530 003, India *Corresponding author: E-mail: deepthikorabandi@gmail.com
A.M. Umabala
Department of Inorganic & Analytical Chemistry, Andhra University, Visakhapatnam-530 003, India *Corresponding author: E-mail: deepthikorabandi@gmail.com
A.V. Prasada Rao
Department of Inorganic & Analytical Chemistry, Andhra University, Visakhapatnam-530 003, India *Corresponding author: E-mail: deepthikorabandi@gmail.com

Asian Journal of Chemistry, Vol. 29 No. 1 (2017): Vol 29 Issue 1

Abstract

Photocatalytic degradations of eosin blue, acid orange and orange G have been studied with Bi2WO6 as photocatalyst under visible light irradiation. Addition of H2O2 enhanced the rate of degradation in each case. Formation of •OH free radicals during irradiation is established in terms of photoluminescence studies using terephthalic acid. Degradation times of 3, 3 and 1 h are obtained for eosin blue, acid orange and orange G dyes, respectively.

Keywords

Photocatalytic degradation Eosin blue Acid orange Orange G Synergetic effect.
Deepthi*, K., Umabala, A., & Prasada Rao, A. (2016). Photocatalytic Degradation of Eosin Blue, Acid Orange and Orange G using H2O2 Sensitized Bi2WO6 and Visible Light. Asian Journal of Chemistry, 29(1), 109–114. https://doi.org/10.14233/ajchem.2017.20146
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