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標題: Photodegradation treatment of azo dye wastewater by UV/TiO2 process
作者: Liu, C.C.
Hsieh, Y.H.
Lai, P.F.
Li, C.H.
Kao, C.L.
關鍵字: azo dye;photodegradation;UV/TiO2;photocatalytic oxidation;commercial dyes;decolorization
Project: Dyes and Pigments
期刊/報告no:: Dyes and Pigments, Volume 68, Issue 2-3, Page(s) 191-195.
In this study the photocatalytic decomposition of a synthetic dye, C. I. Acid Yellow 17, was investigated. The TiO2 photocatalyst prepared by chemical vapor deposition (CVD) for UV/TiO2 process was prepared by annealing at 550 degrees C for 24 h and anatase type crystalline (under XRD and SEM analysis) was obtained. The more important factors affecting the dye wastewater treatment in terms of dye removal ratio, color removal ratio, and mineralization ratio in this study were pH value of the solution, initial concentration of the dye wastewater, flow rate of the wastewater inflow and light intensity. Chloride and sulfate were detected in C. I. Acid Yellow 17 decomposition process while ammonium and nitrate were not detected. (c) 2005 Elsevier Ltd. All rights reserved.
ISSN: 0143-7208
DOI: 10.1016/j.dyepig.2004.12.002
Appears in Collections:環境工程學系所

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