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用于低温下NH₃选择性催化还原NO的负载CeO纳米颗粒的MnO纳米花

CeO Nanoparticle-Loaded MnO Nanoflowers for Selective Catalytic Reduction of NO with NH at Low Temperatures.

作者信息

Li Shun, Zheng Zuquan, Zhao Zhicheng, Wang Youling, Yao Yao, Liu Yong, Zhang Jianming, Zhang Zuotai

机构信息

Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.

Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.

出版信息

Molecules. 2022 Jul 29;27(15):4863. doi: 10.3390/molecules27154863.

DOI:10.3390/molecules27154863
PMID:35956809
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9369832/
Abstract

CeO nanoparticle-loaded MnO nanoflowers, prepared by a hydrothermal method followed by an adsorption-calcination technique, were utilized for selective catalytic reduction (SCR) of NO with NH at low temperatures. The effects of Ce/Mn ratio and thermal calcination temperature on the NH-SCR activity of the CeO-MnO nanocomposites were studied comprehensively. The as-prepared CeO-MnO catalysts show high NO reduction efficiency in the temperature range of 150-300 °C, with a complete NO conversion at 200 °C for the optimal sample. The excellent NH-SCR performance could be ascribed to high surface area, intimate contact, and strong synergistic interaction between CeO nanoparticles and MnO nanoflowers of the well-designed composite catalyst. The in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTs) characterizations evidence that the SCR reaction on the surface of the CeO-MnO nanocomposites mainly follows the Langmuir-Hinshelwood (L-H) mechanism. Our work provides useful guidance for the development of composite oxide-based low temperature NH-SCR catalysts.

摘要

通过水热法结合吸附煅烧技术制备的负载CeO纳米颗粒的MnO纳米花，被用于低温下NH对NO的选择性催化还原（SCR）。全面研究了Ce/Mn比和热煅烧温度对CeO-MnO纳米复合材料NH-SCR活性的影响。所制备的CeO-MnO催化剂在150-300°C温度范围内显示出高的NO还原效率，对于最佳样品在200°C时NO完全转化。优异的NH-SCR性能可归因于精心设计的复合催化剂中CeO纳米颗粒与MnO纳米花之间的高比表面积、紧密接触和强烈的协同相互作用。原位漫反射红外傅里叶变换光谱（DRIFTs）表征证明，CeO-MnO纳米复合材料表面的SCR反应主要遵循朗缪尔-欣谢尔伍德（L-H）机理。我们的工作为基于复合氧化物的低温NH-SCR催化剂的开发提供了有用的指导。

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本文引用的文献

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Chemosphere. 2021 Oct;280:130637. doi: 10.1016/j.chemosphere.2021.130637. Epub 2021 Apr 23.
2
Ce-Mn coordination polymer derived hierarchical/porous structured CeO-MnO for enhanced catalytic properties.用于增强催化性能的铈-锰配位聚合物衍生的分级/多孔结构氧化铈-氧化锰
Nanoscale. 2020 Aug 6;12(30):16381-16388. doi: 10.1039/d0nr03028g.
3
Selective Catalytic Reduction of NO with NH by Using Novel Catalysts: State of the Art and Future Prospects.
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Materials (Basel). 2022 Oct 27;15(21):7553. doi: 10.3390/ma15217553.
使用新型催化剂通过氨选择性催化还原氮氧化物：现状与未来展望
Chem Rev. 2019 Oct 9;119(19):10916-10976. doi: 10.1021/acs.chemrev.9b00202. Epub 2019 Aug 15.
4
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5
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6
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