期刊
WATER SCIENCE AND TECHNOLOGY
卷 75, 期 7, 页码 1523-1528出版社
IWA PUBLISHING
DOI: 10.2166/wst.2017.002
关键词
Fe3O4/TiO2; magnetic mesoporous composites; organic pollutants; photocatalytic degradation
资金
- National Natural Science Foundation of China [21373150]
- Youth Innovation Foundation of Tianjin University of Science Technology [2015LG15]
Fe3O4/TiO2 magnetic mesoporous composites were synthesized through a sol-gel method with tetran-butyl titanate as precursor and surfactant P123 as template. The as-prepared Fe3O4/TiO2 composites were characterized by X-ray diffraction, diffuse reflectance spectroscopy, nitrogen adsorption-desorption isotherm and pore size distribution. The as-synthesized products were applied as photocatalysis for the degradation of Acid Black ATT and tannery wastewater under UV lamp irradiation. Fe3O4/TiO2-8 composites containing Fe3O4 of 8 wt% were selected as model catalysts. The optimal catalyst dosage was 3 g/L in this photocalytic system. The magnetic Fe3O4/TiO2 composites possessed good photocatalytic stability and durability. This approach may provide a platform to prepare a magnetic composite to optimize the catalytic ability.
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