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Immobilization of Titanium Dioxide: Photocatalytic Degradation of Amaranth and its Kinetic Study

Dey, Monami and Kumar, Jatinder and Bansal, Ajay Immobilization of Titanium Dioxide: Photocatalytic Degradation of Amaranth and its Kinetic Study. In: INDO-US International Conference on Energy and Environment., Dec 2012.

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Abstract

The presence of organic dyes and dye intermediates with high degree aromaticity and low-biodegradability in textile wastewater may result in poor water quality. Heterogeneous photocatalysis by using TiO2 as photocatalyst is the most promising method for complete mineralization of organic pollutant in water and waste water. In this work the heterogeneous degradation of dye Amaranth over immobilized nano-crystals of TiO2 was investigated. Dispersion of TiO2 powder during photocatalytic treatment has shown some drawback. Immobilization therefore becoming an acceptable approach towards overcoming the drawbacks encountered in dispersed TiO2. The objective of the present study is to prepare immobilized films by using simple dip coating method and by acrylic binder emulsion. Reusability of the prepared films was conducted for four repetitive cycles. Results show the film prepared by dip coating method is more efficient over an acrylic binder film.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Amaranth dye, Photocatalysis, Degussa P25 Titanium dioxide, acrylic binder, dip coating method, ultraviolet light lamp
Subjects: Engineering > MIT Manipal > Chemical
Depositing User: MIT Library
Date Deposited: 25 Mar 2013 10:13
Last Modified: 25 Mar 2013 10:13
URI: http://eprints.manipal.edu/id/eprint/79277

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