Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 286, Issue 2, Pages 621-626Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2005.01.046
Keywords
dynamic photoreactor; photocatalysis; titanium dioxide; 2-naphthol; adsorption
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The photocatalytic oxidation of 2-naphthol has been investigated at room temperature in a dynamic photoreactor with system UV/O-2 (air) and aqueous suspension of titanium dioxide TiO2 irradiated tinder a variety of conditions. The kinetics of disappearance of pollutant were affected by several operating parameters such as TiO2 mass, concentration of the substrate and reaction pH. The experiments were measured by high performance liquid chromatography. A Langmuir-Hinshelwood model was found to be accurate for photocatalytic degradation and indicates that adsorption of the solute on the surface of semiconductor particles plays a role in photocatalytic reaction. (c) 2005 Elsevier Inc. All rights reserved.
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