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Pt-doped TiO2 nanoparticles for photocatalytic degradation of phenols in wastewater

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REWAS 2013

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Abstract

Pt-doped TiO2 nanoparticles catalysts were synthesized and evaluated for UV photocatalytic degradation of phenol and 2-chlorophenol (2-CP) in synthetic wastewater solutions. The catalysts were synthesized by immobilizing colloidal Pt nanoparticles onto titanium dioxide (rutile TiO2). Several analytical tools, such as standard BET isotherms, X-ray diffraction (XRD), transmission electron microscope (TEM), were used to investigate the specific surface area, structure, and size distribution of the catalysts and its components. The catalytic activity was measured in a batch photoreactor containing solutions of phenol and 2-CP independently, with UV irradiation of 450 W. UV-visible spectrophotometer was used for analyzing the concentration of phenols in solution at different time intervals during the photodegradation experiment. Parameters affecting the photocatalytic process such as concentration of the catalyst, solution pH, and phenols concentration have been investigated. Results obtained revealed that Pt/TiO2 showed a higher activity for UV- photocatalytic degradation of both phenol and 2-CP pollutants in solution (as compared to the rutile TiO2).. The degradation efficiency values were 87.7 and 100% for both of phenol and 2-Cp, respectively, under optimized conditions (0.5 g/L catalyst with a pollutant concentration of 50 mg/L after irradiation time of 180 minutes).

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Author information

Authors and Affiliations

  1. Department of Environmental Sciences, King Abdulaziz University, Saudi Arabia

    M. A. Barakat & R. I. Al-Hutailah

  2. Central Metallurgical R & D Institute, 11421, Helwan, Cairo, Egypt

    M. A. Barakat

  3. Department of Chemical & Biomedical Eng., University of South Florida, Tampa, Fl, USA

    E. Qayyum & J. N. Kuhn

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  1. M. A. Barakat
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  2. R. I. Al-Hutailah
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  3. E. Qayyum
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  4. J. N. Kuhn
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Editor information

Editors and Affiliations

  1. SINTEF, Trondheim, Norway

    Anne Kvithyld (a senior research scientist) (a senior research scientist)

  2. Umicore Precious Metals Refining, Hoboken, Belgium

    Christina Meskers (leads the business development and marketing team) (leads the business development and marketing team)

  3. Energy Systems Division, Argonne National Laboratory, USA

    Gregory Krumdick (principal systems engineer) (principal systems engineer)

  4. Kroll Institute for Extractive Metallurgy in Metallurgical & Materials Engineering, Colorado School of Mines, USA

    Brajendra Mishra (professor and the Assoc. Director) (professor and the Assoc. Director)

  5. Outotec Finland, Finland

    Markus Reuter (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor) (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor)

  6. Aalto University, Finland

    Markus Reuter (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor) (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor)

  7. University of Melbourne, Australia

    Markus Reuter (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor) (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor)

  8. Central South University Changsha, China

    Markus Reuter (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor) (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor)

  9. TU Delft, Netherlands

    Markus Reuter (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor) (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor)

  10. University of Stellenbosch, South Africa

    Markus Reuter (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor) (Director of Technology Management, Adjunct Professor, Professorial Fellow, Guest Professor, a professor)

  11. Saint-Gobain Innovative Materials R&D, Belgium

    Cong Wang (Senior Research Engineer) (Senior Research Engineer)

  12. Missouri University of Science and Technology, USA

    Mark Schlesinger (Professor of Metallurgical Engineering) (Professor of Metallurgical Engineering)

  13. Golisano Institute for Sustainability, USA

    Gabrielle Gaustad Ph.D. (Assistant Professor) (Assistant Professor)

  14. Rochester Institute of Technology, USA

    Gabrielle Gaustad Ph.D. (Assistant Professor) (Assistant Professor)

  15. Worcester Polytechnic Institute (WPI), USA

    Diana Lados (Associate Professor, Founding Director) (Associate Professor, Founding Director)

  16. Integrative Materials Design Center (iMdc), USA

    Diana Lados (Associate Professor, Founding Director) (Associate Professor, Founding Director)

  17. Argonne National Laboratory, USA

    Jeffrey Spangenberger (Engineering Specialist, Senior) (Engineering Specialist, Senior)

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Barakat, M.A., Al-Hutailah, R.I., Qayyum, E., Kuhn, J.N. (2013). Pt-doped TiO2 nanoparticles for photocatalytic degradation of phenols in wastewater. In: Kvithyld, A., et al. REWAS 2013. Springer, Cham. https://doi.org/10.1007/978-3-319-48763-2_33

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