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The Performance and Deactivation of Selective Catalytic Reduction of NOx with NH3 Over Cerium-based Catalysts: A Review.

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Title: The Performance and Deactivation of Selective Catalytic Reduction of NOx with NH3 Over Cerium-based Catalysts: A Review.
Authors: Luo, Jianbin1,2 (AUTHOR) luojianbin@gxust.edu.cn, Jia, Zongfa1,2 (AUTHOR), Lan, Yukai1,2 (AUTHOR), Xu, Song1,2 (AUTHOR), Chen, Guiguang1,2 (AUTHOR), Zhang, Haiguo1,2 (AUTHOR), Jiang, Chunmei2 (AUTHOR)
Source: Topics in Catalysis. Nov2025, Vol. 68 Issue 18/19, p2030-2065. 36p.
Subjects: Catalytic reduction, Catalytic activity, Emission control, Industrial applications, Rare earth metal catalysts, Abatement (Atmospheric chemistry), Industrial processing equipment
Abstract: Against the backdrop of accelerated industrialization and urbanization, the combustion of fossil fuels has led to a significant increase in air pollutant emissions in the environment. Due to its excellent catalytic activity and environmental characteristics, cerium-based catalysts are widely used in flue gas denitrification in coal-fired power plants, steel manufacturing, and chemical industries. This article systematically analyzes different types of cerium-based oxide catalysts and elucidates their excellent performance and reaction mechanism in SCR (Selective Catalytic Reduction) reactions. Meanwhile, this article further investigates the influence of preparation methods of cerium-based catalysts on their catalytic performance. Intended to provide valuable resources for the development of cerium-based catalysts with better performance. In addition, this article explores the effects of metals and sulfur dioxide on the activity of cerium-based catalysts and improves their anti-poisoning performance through methods such as metal doping and structural optimization. Finally, to improve the application of cerium-based catalysts in various fields, three suggestions have been put forward. Future research should focus on analyzing the intermediates of NH3 denitrification reaction, exploring the synergistic mechanism between active substances and additives or carriers at low temperatures, and simulating poisoning reactions in real applications. I hope to provide broad ideas and application prospects for the innovative development of cerium-based catalysts with better comprehensive performance. [ABSTRACT FROM AUTHOR]
Copyright of Topics in Catalysis is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The Performance and Deactivation of Selective Catalytic Reduction of NO<subscript>x</subscript> with NH<subscript>3</subscript> Over Cerium-based Catalysts: A Review.
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  Data: <searchLink fieldCode="JN" term="%22Topics+in+Catalysis%22">Topics in Catalysis</searchLink>. Nov2025, Vol. 68 Issue 18/19, p2030-2065. 36p.
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  Data: Against the backdrop of accelerated industrialization and urbanization, the combustion of fossil fuels has led to a significant increase in air pollutant emissions in the environment. Due to its excellent catalytic activity and environmental characteristics, cerium-based catalysts are widely used in flue gas denitrification in coal-fired power plants, steel manufacturing, and chemical industries. This article systematically analyzes different types of cerium-based oxide catalysts and elucidates their excellent performance and reaction mechanism in SCR (Selective Catalytic Reduction) reactions. Meanwhile, this article further investigates the influence of preparation methods of cerium-based catalysts on their catalytic performance. Intended to provide valuable resources for the development of cerium-based catalysts with better performance. In addition, this article explores the effects of metals and sulfur dioxide on the activity of cerium-based catalysts and improves their anti-poisoning performance through methods such as metal doping and structural optimization. Finally, to improve the application of cerium-based catalysts in various fields, three suggestions have been put forward. Future research should focus on analyzing the intermediates of NH3 denitrification reaction, exploring the synergistic mechanism between active substances and additives or carriers at low temperatures, and simulating poisoning reactions in real applications. I hope to provide broad ideas and application prospects for the innovative development of cerium-based catalysts with better comprehensive performance. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Topics in Catalysis is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Emission control
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      – SubjectFull: Industrial processing equipment
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      – TitleFull: The Performance and Deactivation of Selective Catalytic Reduction of NOx with NH3 Over Cerium-based Catalysts: A Review.
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              M: 11
              Text: Nov2025
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