| 柴油车用NH_3选择性催化还原NO_x技术发展现状 |
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| 引用本文： | 常仕英,杨冬霞,段春坤,赵云昆.柴油车用NH_3选择性催化还原NO_x技术发展现状[J].环境科学与技术,2009,32(10). |
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| 作者姓名： | 常仕英 杨冬霞 段春坤 赵云昆 |
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| 作者单位： | 1. 昆明贵研催化剂有限责任公司,云南,昆明,650106
2. 昆明贵研催化剂有限责任公司,云南,昆明,650106;昆明理工大学环境工程学院,云南,昆明,650093 |
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| 基金项目： | 国家"863"计划，云南省自然科学基金项目资助 |
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| 摘 要： | 文章介绍了NH3选择性催化还原NOx技术(SCR)的基本原理,主要讨论了TiO2和分子筛型催化剂的优缺点,以及这两种催化剂应用于柴油车尾气NOx净化的主要问题和相应的解决措施,为开发车用SCR催化剂提供必要的支持。
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| 关 键 词： | SCR 催化剂 柴油车 现状 |
Selective Catalytic Reduction of NO_x by NH_3 Used in Diesel Vehicles |
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| CHANG Shi-ying,YANG Dong-xia,DUAN Chun-kun,ZHAO Yun-kun.Selective Catalytic Reduction of NO_x by NH_3 Used in Diesel Vehicles[J].Environmental Science and Technology,2009,32(10). |
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| Authors: | CHANG Shi-ying YANG Dong-xia DUAN Chun-kun ZHAO Yun-kun |
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| Institution: | 1.Kunming Sino-Platinum Metals Catalyst Co.Ltd;Kunming 650106;China;2.School of Environmental Engineering;Kunming University of Science and Technology;Kunming 650093;China |
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| Abstract: | Basic principles of the selective catalytic reduction(SCR)of NOx by NH3 were introduced.In order to develop SCR catalysts used in diesel,the disadvantages and advantages of TiO2 and zeolite catalysts as well as problems and corresponding measures with respect to NOx abatement from diesel by TiO2 and zeolite catalysts were discussed as well. |
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| Keywords: | SCR |
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