| TiO_2纳米材料的水热法制备及其在污水光催化降解中的应用 |
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| 摘 要： | 该文综述了近年来有关以TiO_2在光照射下对有机污染物进行光催化降解作用的研究进展,讨论水热法的特点及其制备TiO_2的过程,阐述了TiO_2在紫外光和可见光下的光催化机制,着重介绍了TiO_2纳米材料在光催化降解处理污水的应用情况,指出了TiO_2研究进程中存在的主要问题、发展前景及今后的研究方向.
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| 关 键 词： | TiO_2纳米材料 水热法 光催化 光降解 污水 |
Preparation of TiO_2 Nano-materials and Photocatalytic Purification of Sewage |
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| Abstract: | The recent research progress of photo-catalyzed degradation of organic pollutants by TiO_2 is reviewed,the characteristics of hydrothermal method and the prepared processes of TiO_2 were discussed,the photo-catalyzed mechanism under UV and visible light and the application of degradation of sewage using TiO_2 nanomaterials from five aspects were described in this paper. The main problems existing in the studies of TiO_2,the research directions,and the development prospects were also discussed. |
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| Keywords: | TiO_2 nano-materials Hydrothermal method Photo-catalysis Photo-degradation Sewage |
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