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Photocatalytic efficiency of nanocrystalline zeolite TS-1 for the degradation of methyl orange

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Abstract

The photocatalytic properties of nanocrystalline TS-1 were confirmed via the degradation of an aqueous solution of the model compound methyl orange (MO). The light intensity and quantum yield were measured by ferrioxalate actinometry and the values are 1.7 × 10−5 einstein l−1 s−1 and 0.71, respectively. The experimental parameters such as catalyst loading, pH and initial concentration of MO were optimized at 1.5 g/L, 10 and 300 μM, in order. The results showed that the dye molecules are completely degraded to CO2, H2O and simple inorganic ions.

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Acknowledgements

We thank the Lunghwa University of Science and Technology for financial support.

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Authors and Affiliations

  1. Department of Chemical and Materials Engineering, Lunghwa University of Science and Technology, 300, Wan-shou Rd., Sec. 1, Kueishan, Taoyuan, Taiwan

    Hsiu-Ling Hsu, Rosilda Selvin, Prajitha Kumari & Jia-Wei Cao

  2. Department of Chemical and Materials Engineering, National Central University, Jhong-Li, 320, Taiwan

    L. Selva Roselin

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  1. Hsiu-Ling Hsu
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  2. Rosilda Selvin
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  3. L. Selva Roselin
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  4. Prajitha Kumari
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  5. Jia-Wei Cao
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Correspondence to Rosilda Selvin.

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Hsu, HL., Selvin, R., Roselin, L.S. et al. Photocatalytic efficiency of nanocrystalline zeolite TS-1 for the degradation of methyl orange. React Kinet Catal Lett 98, 265–272 (2009). https://doi.org/10.1007/s11144-009-0087-0

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  • DOI: https://doi.org/10.1007/s11144-009-0087-0

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