ORIGINAL RESEARCH
Effect of H2O2 Addition on Phenol Removal
from Wastewater Using TiO2/Al2O3
as Photocatalyst
B. Czech
Department of Environmental Chemistry, Faculty of Chemistry, Maria Curie-Sklodowska University,
M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
Pol. J. Environ. Stud. 2009;18(6):989–993
KEYWORDS
ABSTRACT
The photocatalytic oxidation of phenol in water in the band reactor with supported TiO2 catalysts was
investigated. Modified anatase/Al2O3 catalysts were used as the photocatalysts. The main aim of these studies
was to determine catalytic activity of TiO2/Al2O3 and V-TiO2/Al2O3 in the removal of phenol from water. The
effectiveness was measured in the configurations: TiO2/UV/O2/H2O2, TiO2/O2/H2O2, TiO2/UV/O2, and
TiO2/O2. It was found that 2 hours of water treatment is enough to obtain a significant COD reduction, and
that prolonging treatment time to 8 hours does not result in total phenol removal.
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