| 活性炭负载TiO2-Fe3O4磁性光催化剂的制备及性能 |
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| 引用本文： | 翟春阳,周卫强,徐景坤,杨平,杜玉扣.活性炭负载TiO2-Fe3O4磁性光催化剂的制备及性能[J].化学研究,2009,20(2):83-86. |
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| 作者姓名： | 翟春阳 周卫强 徐景坤 杨平 杜玉扣 |
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| 作者单位： | 1. 苏州大学,材料与化学化工学部,江苏,苏州,215123
2. 江西科技师范学院,江西省有机功能分子重点实验室,江西,南昌,330013 |
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| 基金项目： | 国家自然科学基金，江苏省滩涂生物资源与环境保护重点建设实验室开放基金 |
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| 摘 要： | 采用溶胶-凝胶法制备了易于固液分离的活性炭（AC）负载磁性光催化剂（TiO2-Fe3O4／AC）．样品通过SEM-EDX和X射线衍射法进行表征．通过在紫外光照射下降解亚甲基蓝评价其光催化降解能力．结果表明：负载22％Fe3O4的光催化剂（含20％TiO2和58％AC）的光催化活性最强（120min时亚甲基蓝的降解率达到87％，是纯TiO2的2．7倍）；磁性光催化剂可实现磁分离回收．
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| 关 键 词： | TiO2 亚甲基蓝 磁性材料 光催化剂 催化降解 |
Preparation and Properties of Magnetic Photocatalyst:TiO2-Fe3 O4 Loaded on Active Carbon |
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| ZHAI Chun-yang,ZHOU Wei-qiang,XU Jing-kun,YANG Ping,DU Yu-kou.Preparation and Properties of Magnetic Photocatalyst:TiO2-Fe3 O4 Loaded on Active Carbon[J].Chemical Research,2009,20(2):83-86. |
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| Authors: | ZHAI Chun-yang ZHOU Wei-qiang XU Jing-kun YANG Ping DU Yu-kou |
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| Institution: | ZHAI Chun-yang,ZHOU Wei-qiang , XU Jing-kun , YANG Ping, DU Yu-kou ( 1. Department of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215123, Jiangsu, China; 2. Jiangxi Key Laboratory of Organic Functional Molecule, Jiangxi Science ＆ Technology Normal University, Nanchang 330013, Jiangxi, China) |
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| Abstract: | Active carbon(AC) loaded magnetic photocatalyst,TiO2-Fe3O4/AC,were prepared by sol-gel method.The samples were characterized by scanning electron microscopy-energy dispersive X-ray(SEM-EDX) and X-ray diffraction,respectively.The photocatalytic activity was evaluated by degradation of methylene blue in aqueous solution under the irradiation of UV light.The results indicated that the magnetic photocatalyst loading 22% Fe3O4 in mass ratio(loading 20% TiO2 and 58% AC) showed the highest photocatalytic activity(The photo-degradation yield upon methylene blue after 2 h reached 87%,2.7 times higher than that of pure TiO2).The magnetic photocatalyst can be separated from the system by applying magnetic field. |
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| Keywords: | TiO2 |
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