| 铜钕共掺杂纳米Ti02光催化降解偏二甲肼废水 |
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| 引用本文： | 徐文国,贾燕,沙晶,李秀芳,张燕,卢士香.铜钕共掺杂纳米Ti02光催化降解偏二甲肼废水[J].北京理工大学学报,2010,30(8):988-991. |
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| 作者姓名： | 徐文国 贾燕 沙晶 李秀芳 张燕 卢士香 |
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| 作者单位： | 北京理工大学理学院,北京,100081;北京理工大学理学院,北京,100081;北京理工大学理学院,北京,100081;北京理工大学理学院,北京,100081;北京理工大学理学院,北京,100081;北京理工大学理学院,北京,100081 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 以钛酸四丁酯为原料,采用溶胶-凝胶法制备纯纳米TiO2和铜掺杂、钕掺杂、铜钕共掺杂TiO2,用X射线衍射、傅里叶红外光谱对其进行表征,用15W紫外灯作光源,20mg/L的偏二甲肼污水作为光催化反应模型污染物,研究TiO2的光催化性能,考察掺杂量对降解率的影响,结果表明,掺杂改变了TiO2的晶胞参数,提高了TiO2的光催化活性,共掺杂具有协同效应,共掺杂样品中铜离子摩尔分数为2.0%,钕离子摩尔分数为1.5%时其光催化性能最好.在25℃下,偏二甲肼废水质量浓度为20mg/L,加入催化剂质量浓度为0.6g/L,降解60min时,偏二甲肼废水的降解率达到93.4%.
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| 关 键 词： | 共掺杂 溶胶-凝胶 偏二甲肼 光催化氧化 |
| 收稿时间： | 2009/10/11 0:00:00 |
Study of Cu and Nd Co-Doped TiO2 Photocatalytic Property of Degradating Unsymmetrical Dimethylhydrazine |
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| XU Wen-guo,JIA Yan,SHA Jing,LI Xiu-fang,ZHANG Yan and LU Shi-xiang.Study of Cu and Nd Co-Doped TiO2 Photocatalytic Property of Degradating Unsymmetrical Dimethylhydrazine[J].Journal of Beijing Institute of Technology(Natural Science Edition),2010,30(8):988-991. |
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| Authors: | XU Wen-guo JIA Yan SHA Jing LI Xiu-fang ZHANG Yan and LU Shi-xiang |
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| Institution: | XU Wen-guo,JIA Yan,SHA Jing,LI Xiu-fang,ZHANG Yan,LU Shi-xiang (School of Science,Beijing Institute of Technology,Beijing 100081,China) |
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| Abstract: | Pure TiO2,Cu doped TiO2,Nd doped TiO2and Cu-Nd co-doped TiO2were prepared through sol-gel method with tetrabutyl titanate as raw material.The samples were characterized by means of X-ray diffraction,Fourier transform infrared spectrometer.The photocatalytic performance of different TiO2particles and the effect of amount of Cu,Nd were studied using ultraviolet lamp of 15Was the illumination device and unsymmetrical dimethyl-hydrazine as the stimulant pollutant.The results indicate that doping has changed the... |
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| Keywords: | co-doped sol-gel unsymmetrical dimethylhydrazine photocatalytic degradation |
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