Abstract
AbstractA novel structured TiO2–Fe-plate catalyst was prepared by immobilization of iron and TiO2 on a natural clay plate. This catalytic system allows effective mineralization of wastewaters under a wide range of operation conditions. Upon UVA irradiation and in the presence of several oxidant mixtures (H2O2 or/and K2S2O8), this catalyst was found to be highly effective in the mineralization of malachite green and red congo in water solution. The effectiveness of this catalyst was assigned to a synergy between its photo-catalytic and photo-Fenton activities. Activity was enhanced in the presence of small amounts of K2S2O8 and verified over a wide range of pH.
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