Research progress on Fe-based zeolite catalysts for NH<sub>3</sub>-selective catalytic reduction and direct catalytic decomposition of N<sub>2</sub>O

MING Shujun; LI Xinnan; PANG Lei; SU Changluo; CHENG Chunhui; YANG Xiaodong; LI Tao

doi:10.12434/j.issn.2097-2547.20240446

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Research progress on Fe-based zeolite catalysts for NH₃-selective catalytic reduction and direct catalytic decomposition of N₂O

更新时间：2025-06-23

- Research progress on Fe-based zeolite catalysts for NH₃-selective catalytic reduction and direct catalytic decomposition of N₂O
- Vol. 50, Issue 6, Pages: 97-112(2025)
- 作者机构：
  
  1.黄冈师范学院化学化工学院催化材料制备及应用湖北省重点实验室，湖北黄冈 438000
  2.华中科技大学化学与化工学院能量转换与存储材料化学教育部重点实验室，材料化学与服役失效湖北省重点实验室，湖北武汉 430074
  3.东风商用车有限公司技术中心，湖北武汉 430056
  4.陕西煤业化工技术研究院有限责任公司，陕西西安 710100
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20240446
  CLC： TQ426.94;O643.3
- Received：05 November 2024，
  
  Revised：30 December 2024，
  
  Published：25 June 2025
- 稿件说明：
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明淑君,李新楠,庞磊等.Fe基分子筛催化剂应用于NH₃选择性催化还原和N₂O直接催化分解反应的研究进展[J].低碳化学与化工,2025,50(06):97-112.

MING Shujun,LI Xinnan,PANG Lei,et al.Research progress on Fe-based zeolite catalysts for NH₃-selective catalytic reduction and direct catalytic decomposition of N₂O[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(06):97-112.
明淑君,李新楠,庞磊等.Fe基分子筛催化剂应用于NH₃选择性催化还原和N₂O直接催化分解反应的研究进展[J].低碳化学与化工,2025,50(06):97-112. DOI： 10.12434/j.issn.2097-2547.20240446.

MING Shujun,LI Xinnan,PANG Lei,et al.Research progress on Fe-based zeolite catalysts for NH₃-selective catalytic reduction and direct catalytic decomposition of N₂O[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(06):97-112. DOI： 10.12434/j.issn.2097-2547.20240446.

摘要

柴油车排放的氮氧化物（NO

）和氧化亚氮（N

O）对人类健康和生态环境造成了显著危害。NH

选择性催化还原（NH

-SCR）技术是当前控制柴油车尾气中NO

排放的有效方法之一，而N

O的直接催化分解（简称“N

O分解”）则被认为是减少N

O排放的最具潜力的技术。这两种技术的核心均依赖于催化剂的开发与应用。Fe基分子筛催化剂在NH

-SCR和N

O分解反应中展现出了卓越的催化性能，为实现NO

和N

O的同步高效去除提供了一条有前途的路径。综述了Fe基分子筛催化剂在NH

-SCR和N

O分解反应中的催化机理，探讨了Fe基分子筛催化剂的制备方法、拓扑结构、助剂金属掺杂，以及反应环境中共存气体对其理化性质、NH

-SCR活性和N

O分解性能的影响。

具体而言，Fe基分子筛催化剂的Fe物种形成与分布受到制备方法和分子筛拓扑结构的显著影响。助剂金属的引入不仅能够增大催化剂的酸性位点含量，还能改善Fe物种的分散性，从而优化其催化性能。此外，共存气体（如NO、O

和H

O）对Fe基分子筛催化剂的N

O分解活性产生不同程度的影响。最后，对Fe基分子筛催化剂的未来研究方向进行了展望，并对催化剂设计优化与性能提升提出了建议。

Abstract

Nitrogen oxides (NO

) and nitrous oxide (N

O) emissions from diesel vehicles pose significant threat to human health and the ecological environment. NH

-selective catalytic reduction (NH

-SCR) technology is one of the most effective methods for controlling NO

emissions from diesel vehicle exhaust

while the direct catalytic decomposition of N

O (abbreviated as “N

O decomposition”) is considered the most promising technology for reducing N

O emissions. The core of both technologies lies on the development and application of catalysts. Fe-based zeolite catalysts exhibit excellent catalytic performance in NH

-SCR and N

O decomposition reactions

providing a promising pathway for the simultaneous and efficient removal of NO

and N

O. The catalytic mechanisms of Fe-based zeolite catalysts in NH

-SCR and N

O decomposition reactions were summarized

and the effects of preparation methods

topological structures

doped metal additives and coexisting gases on their physicochemical properties

-SCR activity and N

O decomposition performance were discussed. Specifically

the formation and distribution of Fe species in Fe-based zeolite catalysts are significantly influenced by the preparation methods and zeolite topological structures. The introduction of metal additives not only increases the number of acid sites in the catalyst but also improves the dispersion of Fe species

thereby optimizing catalytic performance. Furthermore

coexisting gases such as NO

and H

O have varying degree

s of impact on the N

O decomposition activity of Fe-based zeolite catalysts. Finally

an outlook on future research directions for Fe-based zeolite catalysts was provided

and recommendations for catalyst design optimization and performance enhancement were offered.

关键词

Keywords

references

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Research progress on Fe-based zeolite catalysts for NH3-selective catalytic reduction and direct catalytic decomposition of N2O

DOI：10.12434/j.issn.2097-2547.20240446

摘要

Abstract

关键词

Keywords

references

Research progress on Fe-based zeolite catalysts for NH₃-selective catalytic reduction and direct catalytic decomposition of N₂O