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Enhancement of TiO2 behavior on photocatalytic oxidation of MO dye usingTiO2/AC under visible irradiation and sunlight radiation
National Research Center, Egypt. (Water Pollution Control Department)
National Research Center, Egypt. (Chemical Engineering and Pilot Plant Department)
National Research Center, Egypt. (Surface Chemistry and Catalysis Laboratory)
Nuclear Material Authority, Egypt. (Surface Morphology and Elemental Analysis Department)
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2012 (English)In: Separation and Purification Technology, ISSN 1383-5866, Vol. 98, 270-279 p.Article in journal (Refereed) Published
Abstract [en]

The activated carbon loaded TiO2 photocatalyst was prepared and characterized by FT-IR, scanning electronmicrograph (SEM) and X-ray diffraction (XRD). The photocatalytic efficiency of activated carbonloaded TiO2 was evaluated by photocatalytic oxidation of Methyl Orange (MO) dye in aqueous mediumusing visible and solar light. TiO2/AC exhibited higher photocatalytic oxidation efficiency of MO than thatof naked TiO2. The various experimental parameters like initial dye concentration, amount of catalyst andsolution pH for efficient dye degradation are investigated. Activity measurements performed under visiblelight and solar irradiation have shown good results for the photo degradation of MO in aqueous solution.The higher efficiency of TiO2/AC is due to synergy effect of activated carbon. Addition of highadsorption capacity activated carbon to photoactive titanium dioxide in photocatalytic degradation ofdyes improves the efficiency of dye mineralization. The present catalysts show high adsorptivity and highphotoactivity for the degradation of the MO dye and can be very easily separated from the solution bysedimentation or simple filtration and it can be used repeatedly for MO removal with preservation ofits photoactivity.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 98, 270-279 p.
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Nanotechnology and Functional Materials
URN: urn:nbn:se:uu:diva-222458DOI: 10.1016/j.seppur.2012.06.018OAI: oai:DiVA.org:uu-222458DiVA: diva2:711659
Available from: 2014-04-10 Created: 2014-04-10 Last updated: 2014-04-11Bibliographically approved

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Österlund, Lars
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Solid State Physics
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