Abstract
This study reports on the synthesis and photocatalytic evaluation of nanometer sized titania supported MCM-41 (TiMCM-41) by photodegrading methyl orange in the presence of electron acceptors such as peroxomonosulphate (PMS), peroxodisulphate (PDS) and H 2O 2 using visible-light irradiation to prove it is a better photocatalyst for advanced oxidation technologies (AOTs). This system is relatively inexpensive, reproducible, extremely stable and efficient in complete degradation of dye in aqueous solution. In order to obtain maximum information about the performance of TiMCM-41 catalyst, we did experiments under different operating conditions, i.e., variation of amount of catalyst, concentration of dye and electron acceptors. In addition to the above, a comparative study on the photocatalytic activities of colloidal TiO 2 was also made.
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