施赟¹,王晓祥²,李素静²,李伟²,单胜道¹,庄海峰¹,王群¹

• 1:浙江科技学院 生态环境研究院，浙江 杭州 310023
• 2:浙江大学 化学工程与生物工程学院，浙江 杭州 310027

摘要(Abstract)：

柴油车是机动车NO_x排放的主要来源，NH₃选择性催化还原（NH₃-SCR）技术能有效控制NO_x排放，SCR催化剂作为该技术的核心而备受关注。本文总结了柴油车SCR催化剂的主要类型，概述了不同催化剂表面的催化反应机理，分析了催化剂中毒失活的机制及催化反应动力学，并对柴油车SCR催化剂的发展前景进行了展望，指出开发多功能、新型、高效的耦合催化单元是今后的研发方向。

关键词(KeyWords)： SCR催化剂;氮氧化物;柴油车;反应机理;中毒机制

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目（2017YFC0210904）；浙江省青年科学基金（LQ19E080001）；国家青年科学基金（21606195，51708505）。

作者(Author): 施赟¹,王晓祥²,李素静²,李伟²,单胜道¹,庄海峰¹,王群¹

DOI: 10.3969/j.issn.1003-9015.2019.01.002

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