Abstract

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

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.

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

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