Photocatalytic Degradation of Methyl Orange by using Various Heat Treated Tio2 as Photocatalyst

L. Gomathi Devi^* and G. M. Krishnaiah

Department of Post Graduate Studies in Chemistry, Bangalore University, Central College, Bangalore- 560 001 India.

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ABSTRACT:

The photocatalytic degradation of azodyes in aqueous suspensions of TiO2 is comparatively a good method for the removal of these impurities. The extent of degradation is followed by UV-Visible, IR and HPLC methods. The degradation process is performed with various heat treated TiO2 in the presence of an oxidizing agent like H2O2 exhibited marked photocatalytic activity.

KEYWORDS:

Semiconductor; IR; UV-Visible; HPLC; Catalytic properties and Semiconductivity