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KMID : 1024520030120121277
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Journal of the Environmental Sciences
2003 Volume.12 No. 12 p.1277 ~ p.1284
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Photocatalytic Decolorization of Rhodamine B using Immobilized TiO onto GF/C and Fluidized Bed Reactor
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Park Young-Seek
Ahn Kab-Hwan
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Abstract
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The photocatalytic oxidation of Rhodamine B (RhB) was studied using immobilized TiO and fluidized bed reactor. Immobilized TiO onto GF/C was employed as the photocatalyst and a 30 W germicidal lamp was used as the light source and the reactor volume was 4.8 L. The effects of parameters such as the amounts of photocatalyst, initial concentration, initial pH, air flow rate and anion additives (NO-/, SO2-/, Cl-/, CO2-/) competing for reaction. The results showed that the optimum dosage of the immobilized TiO was 40.0 g/L. Initial removal rate of immobilized TiO was expressed Langmuir - Hinshelwood equation.
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KEYWORD
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Photocatalytic degradation, UV/TiO₂, Fluidized bed, Dye, Immobilization
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