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Morphology-Dependent Catalytic Performance of NbOx/CeO2 Catalysts for Selective Catalytic Reduction of NOx with NH3
Lian, Zhihua; Shan, Wenpo; Zhang, Yan; Wang, Meng; He, Hong
2018-09-26
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume57Issue:38Pages:12736-12741
AbstractNb/CeO2 catalysts with different morphologies for the selective catalytic reduction of NOx with NH3 (NH3-SCR) were fully studied. A Nb/CeO2 nanoparticle catalyst presented better NH3-SCR performance than Nb/CeO2 nanorods, and a Nb/CeO2 nanocube catalyst presented the lowest NOx conversion. Transmission electron microscopy, N-2 physisorption, X-ray powder diffraction, X-ray photoelectron spectroscopy, temperature-programmed reduction with H-2 (H-2-TPR), and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) were used to characterize the samples. The obtained results reveal that larger specific surface area, more abundant surface oxygen species and acid sites, lower crystallinity, and stronger redox capability of the Nb/CeO2 nanoparticle catalyst all contributed to its better NH3-SCR performance.
Department大气污染控制中心
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/40820
Collection大气环境与污染控制实验室
Recommended Citation
GB/T 7714
Lian, Zhihua,Shan, Wenpo,Zhang, Yan,et al. Morphology-Dependent Catalytic Performance of NbOx/CeO2 Catalysts for Selective Catalytic Reduction of NOx with NH3[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2018,57(38):12736-12741.
APA Lian, Zhihua,Shan, Wenpo,Zhang, Yan,Wang, Meng,&He, Hong.(2018).Morphology-Dependent Catalytic Performance of NbOx/CeO2 Catalysts for Selective Catalytic Reduction of NOx with NH3.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,57(38),12736-12741.
MLA Lian, Zhihua,et al."Morphology-Dependent Catalytic Performance of NbOx/CeO2 Catalysts for Selective Catalytic Reduction of NOx with NH3".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 57.38(2018):12736-12741.
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