Research advances in selective catalytic reduction of NOx over transition metal-based zeolite catalysts

Chemical Industry and Engineering Progree ›› 2012, Vol. 31 ›› Issue (01 ): 98-106.

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Research advances in selective catalytic reduction of NO_x over transition metal-based zeolite catalysts

JIANG Jianqing1，PAN Hua2，SUN Guojin1，SHAO Zhenhua1，SHI Yao1

（¹ Industrial Ecology and Environment Research Institute，Zhejiang University，Hangzhou 310028，Zhejiang，China；
²Department of Environmental Science and Engineering，Xi’an Jiaotong University，Xi’an 710049，Shaanxi，China）

Online:2012-01-25 Published:2012-01-05

过渡金属/分子筛催化剂上选择性催化还原氮氧化物的研究进展

姜建清1，潘华2，孙国金1，邵振华1，施耀1

（¹浙江大学工业生态与环境研究所，浙江杭州 310028；² 西安交通大学环境科学与工程系，陕西西安 710049）

Abstract

Abstract: A general review is given over the research advances in SCR of NOx with ammonia or hydrocarbons over transition metal-based zeolite catalysts in last 10 years. In NH3-SCR system，Cu and Fe based zeolite catalysts are particularly addressed，the deactivation reasons of these catalysts is discussed as well. In HC-SCR system，the effects of different metals，zeolite types，reducing agents，water vapor，sulfur dioxide on the activity of catalysts are summarized，and the well accepted reaction mechanism of HC-SCR is introduced. The future research directions for SCR over zeolite-based catalyst are also included.

Key words: nitrogen oxides, selective catalytic reduction, transition metal, zeolite catalyst

摘要： 综述了近十年来过渡金属/分子筛催化剂上氨和碳氢化合物选择性催化还原NOx方面的研究进展。在NH3-SCR体系，着重介绍了铜基和铁基分子筛催化剂的研究状况，探讨了分子筛催化剂在该体系中的失活原因；在HC-SCR体系，总结了不同过渡金属、分子筛类型、还原剂、H2O和SO2等对催化剂活性的影响，探讨了目前比较公认的碳氢化合物选择性催化还原NOx的反应机理。最后展望了分子筛催化剂在选择性催化还原NOx领域今后的研究方向。

关键词: 氮氧化物, 选择性催化还原, 过渡金属, 分子筛催化剂

JIANG Jianqing1，PAN Hua2，SUN Guojin1，SHAO Zhenhua1，SHI Yao1. Research advances in selective catalytic reduction of NO_x over transition metal-based zeolite catalysts[J]. Chemical Industry and Engineering Progree, 2012, 31(01 ): 98-106.

姜建清1，潘华2，孙国金1，邵振华1，施耀1. 过渡金属/分子筛催化剂上选择性催化还原氮氧化物的研究进展[J]. 化工进展, 2012, 31(01 ): 98-106.

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Research advances in selective catalytic reduction of NO_x over transition metal-based zeolite catalysts

过渡金属/分子筛催化剂上选择性催化还原氮氧化物的研究进展

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