Preparation and Photocatalytic Properties of Fe3O4/TiO2
The effect of the ratio of Fe3O4/TiO2,reaction temperature and reaction time on the performance of Fe3O4/TiO2 was investigated to determine the preparation conditions of Fe3O4/TiO2 magnetic composite photocatalyst.A photocatalytic experiment was conducted on methylene blue wastewater using a self-made Fe3O4/TiO2 magnetic composite photocatalyst.The results showed that the Fe3O4/TiO2 magnetic composite photocatalyst prepared under the conditions of the ratio of 1∶16,reaction temperature of 80℃,and reaction time of 3 h exhibited superior performance.When dosage of Fe3O4/TiO2 magnetic composite photocatalyst was 0.2 mg·mL-1,the pH of methylene blue solution was neutral,the UV lamp distance was 12 cm,and the illumination time was 2 h,the removal rate could reach 91.6%.
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