| 掺钕纳米氧化锌光催化降解偏二甲肼污水研究 |
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| 引用本文： | 周银,徐文国,卢士香,张光友.掺钕纳米氧化锌光催化降解偏二甲肼污水研究[J].北京理工大学学报,2009,29(3):266-269. |
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| 作者姓名： | 周银 徐文国 卢士香 张光友 |
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| 作者单位： | 北京理工大学,理学院,北京,100081;成都市公安消防支队,四川,成都,610072;北京理工大学,理学院,北京,100081;北京理工大学,理学院,北京,100081;总装备部后勤部防疫大队,北京,100101 |
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| 基金项目： | 高等学校学科创新引智计划 |
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| 摘 要： | 以乙酸锌和氢氧化锂为原料,采用溶胶凝胶法制备了纯纳米ZnO和掺钕ZnO,并用X射线衍射、紫外可见吸收光谱、X射线能谱仪、透射电镜对其进行了表征. 用15 W紫外灯作为光源,一定浓度的偏二甲肼污水为光催化反应模型污染物,研究了ZnO的光催化性能,考察了钕掺杂量对降解率的影响. 结果表明,掺杂钕离子提高了ZnO的光催化活性,钕锌摩尔比为0.025时光催化性能最好;在30 ℃下,当加入催化剂质量浓度为0.1 g/L,降解时间为100 min时,对偏二甲肼污水(UDMH)的降解率达到92%.
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| 关 键 词： | 溶胶凝胶 偏二甲肼 光催化降解 钕掺杂 |
| 收稿时间： | 2008/6/26 0:00:00 |
Photocatalytic Degradation of Unsymmetrical Dimethylhydrazine with Nd-Doped ZnO Nano-Particles |
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| ZHOU Yin,XU Wen-guo,LU Shi-xiang and ZHANG Guang-you.Photocatalytic Degradation of Unsymmetrical Dimethylhydrazine with Nd-Doped ZnO Nano-Particles[J].Journal of Beijing Institute of Technology(Natural Science Edition),2009,29(3):266-269. |
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| Authors: | ZHOU Yin XU Wen-guo LU Shi-xiang and ZHANG Guang-you |
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| Affiliation: | 1.School of Science;Beijing Institute of Technology;Beijing 100081;China;2.The Epidemic Prevention Team;Logistic Department of GED;Beijing 100101;3.Chengdu Fire Bureau;Chengdu;Sichuan 610072;China |
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| Abstract: | Pure ZnO and Nd-doped ZnO were prepared via sol-gel method with zinc acetate dehydrate and lithium hydroxide monohydrate as raw material.The samples were characterized by means of X-ray diffraction,X-ray energy spectrum,UV-Vis spectroscopy and high resolution transmission electron microscope.The photocatalytic performance of different ZnO particles was studied using 15W ultraviolet lamp as the illumination device and unsymmetrical dimethyl-hydrazine as the stimulant pollutant.Effect of the amount of Nd was ... |
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| Keywords: | sol-gel unsymmetrical dimethylhydrazine photocatalytic degradation Nd-doped |
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