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Photocatalytic degradation of C.I. Acid Blue 80 in aqueous suspensions of titanium dioxide under sunlight

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Abstract

The dye C.I. Acid Blue 80 (AB80) was easily degraded by TiO2-P25 assisted photocatalysis in aqueous dispersion under irradiation of sunlight. The optimal reaction conditions were [TiO2] = 2.0 g/L, pH = 10, [H2O2] = 5 mmol/L. The photocatalytic reaction followed pseudo-first order kinetics. The adsorption of AB80 onto TiO2 was in accord with Langmuir equation.

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Acknowledgements

This work was supported by Project 863 of China (No. 2006AA06Z362) and Innovation Key Project of the Chinese Academy of Sciences (No. KZCX2-YW-209).

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Authors and Affiliations

  1. Institute of Oceanology, Chinese Academy of Sciences, 266071, Qingdao, Shandong, China

    Yingying Su, Liping Deng, Ning Zhang, Xinting Wang & Xiaobin Zhu

  2. Graduate School, Chinese Academy of Sciences, 100049, Beijing, China

    Yingying Su, Liping Deng & Ning Zhang

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  1. Yingying Su
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  2. Liping Deng
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  3. Ning Zhang
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  4. Xinting Wang
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  5. Xiaobin Zhu
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Correspondence to Xiaobin Zhu.

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Su, Y., Deng, L., Zhang, N. et al. Photocatalytic degradation of C.I. Acid Blue 80 in aqueous suspensions of titanium dioxide under sunlight. React Kinet Catal Lett 98, 227–240 (2009). https://doi.org/10.1007/s11144-009-0059-4

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  • DOI: https://doi.org/10.1007/s11144-009-0059-4

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