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Effective Wastewater Purification Using TiO2 Nanotubular Catalyst  

Oh, Han-Jun (Dept. of Materials Science, Hanseo University)
Choi, Hyung-Seon (Dept. of Materials Science, Hanseo University)
Lee, Jong-Ho (Dept. of Chemistry, Hanseo University)
Chi, Choong-Soo (School of Advanced Materials Engineering, Kookmin University)
Publication Information
Korean Journal of Metals and Materials / v.47, no.2, 2009 , pp. 91-98 More about this Journal
Abstract
The titania nanotubular layer for photocatalytic application was synthesized by anodization process in HF solution and the photocatalytic efficiencies of nanotubular film were evaluated by the decomposition rate of aniline blue. In order to facilitate the photocatalytic reaction, the electron acceptors such as potassium bromate, hydrogen peroxide and ammonium persulfate were added to aniline blue solution and the effects of electron acceptors on the dye degradation efficiency were evaluated. The results showed that the photocatalytic efficiency has markedly improved by adding the electron acceptors.
Keywords
$TiO_2$; photocatalyst; nanotubular layer; aniline blue; electron acceptor;
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