Comparison of TiO2/RH-MCM-41 and TiO2/TEOS-MCM-41 Hybrid Catalysts in Characteristics and Photodegradation of Tetramethylammonium

Surachai Artkla; Won Yong Choi; Jatuporn Wittayakun

doi:10.4028/www.scientific.net/AMR.93-94.22

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 93-94Comparison of TiO2/RH-MCM-41 and TiO2/TEOS-MCM-41...

Comparison of TiO₂/RH-MCM-41 and TiO₂/TEOS-MCM-41 Hybrid Catalysts in Characteristics and Photodegradation of Tetramethylammonium

Abstract:

This work compared properties and catalytic performance of two hybrid photocatalysts, TiO2/RH-MCM-41 and TiO2/TEOS-MCM-41 prepared by loading nanoparticles of TiO2 (10 wt.%) on MCM-41 synthesized with rice husk silica and tetraethyl orthosilicate respectively. The supports and catalysts were characterized by X-ray diffraction, N2 adsorption-desorption, transmission electron microscopy and zeta potential. The photocatalytic activities of the TiO2/RH-MCM-41 and TiO2/TEOS-MCM-41 for the degradation of tetramethylammonium (TMA) in aqueous slurry were similar with a complete conversion after irradiation time of 90 min at pH 7.

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Advanced Materials Research (Volumes 93-94)

Pages:

22-26

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.93-94.22

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Online since:

January 2010

Authors:

Surachai Artkla, Won Yong Choi, Jatuporn Wittayakun

Keywords:

Hybrid Catalyst, MCM-41, Photodegradation, Tetramethylammonium, Titania (TiO₂)

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