| Pt/TiO_2/ZSM-5在日光下氧化氨氮的研究 |
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| 引用本文： | 杨海明,柳丽芬,张兴文,杨凤林.Pt/TiO_2/ZSM-5在日光下氧化氨氮的研究[J].环境科学与技术,2006,29(10):1-3. |
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| 作者姓名： | 杨海明 柳丽芬 张兴文 杨凤林 |
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| 作者单位： | 1. 大连理工大学环境与生命学院
2. 大连理工大学环境与生命学院;大连理工大学纳米材料科学研究中心,大连,116023 |
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| 摘 要： | 采用溶胶-凝胶法和光沉积法制备了Pt/TiO2/ZSM-5催化剂。研究了铂修饰对催化剂的吸附性能的影响。考察了催化剂在日光照射下对氨氮的氧化,并以紫外光作为对比。结果表明铂的修饰,对催化剂的吸附能力有较大影响,还可以提高催化剂在日光照射条件下对氨氮的氧化效率和总氮去除率。在太阳光照射、空气曝气条件下,反应2h氨氮去除率达50.1%,总氮去除率达31.8%。
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| 关 键 词： | 纳米二氧化钛 光催化氧化 太阳光 氨氮 负载金属 |
| 文章编号： | 1003-6504(2006)10-0001-03 |
| 收稿时间： | 2005-11-07 |
| 修稿时间： | 2006-01-19 |
Oxidation of Ammonia by Pt/TiO2/ZSM-5 under Solar Irradiation |
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| YANG Hai-ming,LIU Li-fen,ZHANG Xing-wen,YANG Feng-lin.Oxidation of Ammonia by Pt/TiO2/ZSM-5 under Solar Irradiation[J].Environmental Science and Technology,2006,29(10):1-3. |
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| Authors: | YANG Hai-ming LIU Li-fen ZHANG Xing-wen YANG Feng-lin |
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| Abstract: | Catalyst of Pt/TiO2/ZSM-5 was prepared by a sol-gel and photodeposition method. The effect of platinum loading on absorbability of the catalyst was studied. The oxidation of ammonia by Pt/TiO2/ZSM-5 under solar irradiation was investigated, compared with UV irradiation. Results showed that platinum loading exhibits rather great effect on the absorbability, and enhances the removal efficiency of ammonia and TN. The removal efficiency of ammonia and TN were 50.1% and 31.8% separately under solar irradiation bubbling with air. |
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| Keywords: | anometer titanium dioxide photocatalysis oxidation solar ammonia metal loading |
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