| 酸改性纳米TiO_2降解模拟污染物的研究 |
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| 引用本文： | 刘红,刘潘,李晶,辜孔良.酸改性纳米TiO_2降解模拟污染物的研究[J].环境科学与技术,2006,29(5):21-23. |
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| 作者姓名： | 刘红 刘潘 李晶 辜孔良 |
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| 作者单位： | 武汉科技大学化工与资源环境学院,武汉,430081 |
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| 摘 要： | 用溶胶-凝胶法制备了酸改性纳米二氧化钛,并用XRD、UV-vis等测定技术对所制得的粉体试样进行了表征,同时以甲基橙为模拟污染物,评价了改性后纳米二氧化钛的光催化性能,发现其光催化活性大大高于未改性二氧化钛粉体。并从酸改性的样品中筛选出了光催化活性最好的粉体,以光催化降解苯酚为模型反应,确立了降解的最优条件。
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| 关 键 词： | 酸改性 纳米TiO_2 光催化活性 甲基橙 苯酚 |
| 文章编号： | 1003-6504(2006)05-0021-03 |
| 收稿时间： | 2005-04-14 |
| 修稿时间： | 2005-06-06 |
Degradation of Simulating Pollutants by Acid Modified Nano-TiO2 |
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| LIU Hong,LIU Pan,LI Jing,GU Kong-liang.Degradation of Simulating Pollutants by Acid Modified Nano-TiO2[J].Environmental Science and Technology,2006,29(5):21-23. |
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| Authors: | LIU Hong LIU Pan LI Jing GU Kong-liang |
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| Abstract: | Nanosized TiO2 particles modified by acid were prepared by a sol-gel method. The nanosized particles were characterized by UV-vis and XRD measurement. Photocatalytic activity of modified TiO2 particles was evaluated using methyl orange aqueous solution and phenol as simulating pollutants. Choosing the nanosized TiO2 particles with best photocatalytic activity as photocatalyst and phenol as a degradation of simulating pollutant, the optimal operation conditions were obtained. |
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| Keywords: | ELISA modified by acid nano-TiO2 photocatalytic activity methyl orange phenol |
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