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Title

Environmentally Benign Photocatalysts: Applicaton of Zeolite Supported TiO2 for Treatment of Textile Effluents

AuthorsGuesh, Kiros; Mayoral, Álvaro; Márquez Álvarez, Carlos ; Chebude, Yonas; Díaz Carretero, Isabel
KeywordsTextile effluent
Titanium oxide
Zeolites
Photocatalysis
Hybrid
Methyl orange
Issue Date4-Oct-2015
Citation2nd EuCheMS Congress on Green and Sustainable Chemistry (2nd EuGSC) (2015)
AbstractTo investigate the dual role of zeolites in enhancing photocatalytic activity, a series of selected TiO2-Zeolite hybrid photocatalytic materials have been systematically synthesized and analyzed. The synthesized samples were characterized by X-ray diffraction (XRD), elemental analysis (ICPOES), N2 adsorption-desorption, diffuse reflectance UV-Vis spectroscopy (DRS), photoluminescence spectroscopy (PL), and transmission electron microscopy (STEM/HAADF/EDS). The photocatalytic activity of the samples was tested for the degradation of methyl orange (MO) and textile effluent treatments. The 10% loaded TiO2-Zeolite Y (CBV 760) yielded up to 20 times higher mass normalized turnover rate (TORm) than pristine TiO2. In the bulk system the photocatalytic degradation of 10 ppm MO was 98% in 60 min irradiation under UV light for 40 wt% TiO2 loaded mordenite and only 43 % for the pristine TiO2. The obtained enhanced photocatalytic activity of the hybrid system is attributed to surface and electronic modification of TiO2 by zeolites.
DescriptionTrabajo presentado en el 2nd EuCheMS Congress on Green and Sustainable Chemistry (2nd EuGSC), celebrado en Lisboa (Portugal) del 4 al 7 de octubre de 2015.
URIhttp://hdl.handle.net/10261/191016
Appears in Collections:(ICP) Comunicaciones congresos
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