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Mineralization of Methyene Violet Dye using Titanium Dioxide in Presence of Visible Light

Brijesh Pare, David Swami, Prakash More, Tehmina Qureshi and T. R. Thapak

Advanced oxidation processes are eco-friendly methods of destroying organic pollutants by using semiconductor and visible light. Photocatalytic degradation of methylene violet has been investigated in aqueous heterogeneous suspension. The results indicated that potocatalytic reaction was enhanced in alkaline medium. The degradation of dye depends on several parameters such as initial concentration of the dye, catalyst loading, pH, electron acceptors and light intensity. COD removal was measured at regular intervals to quantify the mineralization of methylene violet. Sunlight has also been effectively used to degrade methylene violet.