Journal
JOURNAL OF ENVIRONMENTAL SCIENCES
Volume 21, Issue 4, Pages 527-533Publisher
SCIENCE PRESS
DOI: 10.1016/S1001-0742(08)62303-7
Keywords
irradiation; phenol; photocatalytic degradation; titanium dioxide; UV light
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Funding
- Higher Education Commission (HEC) of Pakistan
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Photocatalytic degradation of phenol selected as model compound of organic pollutant had been investigated in aqueous titanium dioxide (TiO2) dispersion under UV irradiation. The effects of various parameters such as pH, catalyst concentration, phenol concentration, anions, metal ions, electron acceptors, and surfactants on the photocatalytic degradation of phenol were investigated. The degradation kinetics was determined by the change in phenol concentration employing UV-Vis spectrometry as a function of irradiation time. The degradation kinetics of phenol follows pseudo first-order kinetics. The results showed a significant dependence of the photocatalytic degradation of phenol on the functional parameters. The probable promising roles of the additives on the degradation process were discussed.
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