<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Ordered SBA-15 mesoporous silica supports have been synthesized and used for incorporation of titanium with different Ti/Si weight ratio via incipient wetness impregnation. Titanium tetraisopropoxide (TTIP) was used as a source of Ti. Obtained catalysts were characterized to investigate the chemical framework and morphology by nitrogen sorption measurements, powder X-ray diffraction (XRD), X-ray fluorescence elemental analysis (XRF), transmission electron microscopy (TEM), UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS) and Fourier transform infrared photoacoustic spectroscopy (FT-IR/PAS). The photocatalytic degradation of phenol and methylene blue water solutions were selected as a probe reactions to the photoactivity test of prepared samples and to verify the potential application of these materials for water purification. Experimental results indicate that the photocatalytic activity of Ti/Si mixed materials depends on the adsorption ability of composites and the photocatalytic activity of the titanium oxide.</p></abstract>

Ordered SBA-15 mesoporous silica supports have been synthesized and used for incorporation of titanium with different Ti/Si weight ratio via incipient wetness impregnation. Titanium tetraisopropoxide (TTIP) was used as a source of Ti. Obtained catalysts were characterized to investigate the chemical framework and morphology by nitrogen sorption measurements, powder X-ray diffraction (XRD), X-ray fluorescence elemental analysis (XRF), transmission electron microscopy (TEM), UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS) and Fourier transform infrared photoacoustic spectroscopy (FT-IR/PAS). The photocatalytic degradation of phenol and methylene blue water solutions were selected as a probe reactions to the photoactivity test of prepared samples and to verify the potential application of these materials for water purification. Experimental results indicate that the photocatalytic activity of Ti/Si mixed materials depends on the adsorption ability of composites and the photocatalytic activity of the titanium oxide.

Phenol and methylene blue photodegradation over Ti/SBA-15 materials under uv light

University of Maria Curie-Sklodowska, Faculty of Chemistry, Departament of Chemical Technology, pl. Marii Curie-Skłodowskiej 3, 20-031 Lublin,

University of Maria Curie-Sklodowska, Faculty of Chemistry, Departament of Chemical Technology, pl. Marii Curie- -Skłodowskiej 3, 20-031 Lublin,

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Ordered SBA-15 mesoporous silica supports have been synthesized and used for incorporation of titanium with different Ti/Si weight ratio via incipient wetness...

Phenol and methylene blue photodegradation over Ti/SBA-15 materials under uv light

Pubblicato online: 13 ott 2016

Pagine: 30 - 38

DOI: https://doi.org/10.1515/pjct-2016-0045

Parole chiave
TiO2, SBA-15, photocatalysis, phenol, methylene blue, FT-IR/PAS

© by Janusz Ryczkowski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Phenol and methylene blue photodegradation over Ti/SBA-15 materials under uv light

Pubblicato online: 13 ott 2016

Pagine: 30 - 38

DOI: https://doi.org/10.1515/pjct-2016-0045

Parole chiaveTiO2, SBA-15, photocatalysis, phenol, methylene blue, FT-IR/PAS

© by Janusz Ryczkowski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
TiO2, SBA-15, photocatalysis, phenol, methylene blue, FT-IR/PAS