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The composite photo catalyst of Fe3+-TiO2-zeolite is prepared in a bench scale, which is immobilized into a zeolite matrix by means of sol-gel technique. The oilfield wastewater in Huabei oilfield was chosen as the model pollutant to evaluate photo catalytic activity under the ultraviolet light and sunlight irradiation respectively, the possible mechanism of photo catalytic oxidation was deduced....
The photocatalytic oxidation of methyl orange (MO) on commercial TiO2 nano-particles could be successfully enhanced by simple mechanical mixing with Fe3+ modified ZSM-5 zeolites (FeZSM-5). When a mixture of TiO2 and FeZSM-5 (TiO2:FeZSM-5 ratio=1:5) was added into the solution, methyl orange removal rate was 58.9% after 30 min of irradiation, which increased 22% compared with using TiO2 alone. However,...
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