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Effect of CaCO3 on catalytic activity of Fe–Ce/Ti catalysts for NH3-SCR reaction

Wang, Xiaobo, Fang, Qiuyue, Wang, Jia, Gui, Keting and Thomas, Hywel Rhys 2020. Effect of CaCO3 on catalytic activity of Fe–Ce/Ti catalysts for NH3-SCR reaction. RSC Advances 10 (73) , pp. 44876-44883. 10.1039/D0RA07351B

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In the present work, fresh and Ca poisoned Fe–Ce/Ti catalysts were prepared and used for the NH3-SCR reaction to investigate the effect of Ca doping on the catalytic activity of catalysts. And these catalysts were characterized by BET, XRD, Raman, UV-vis DRS, XPS, H2-TPR, and NH3-TPD techniques. The obtained results demonstrate that Ca doping could lead to an obvious decrease in the catalytic activity of catalysts. The reasons for this may be due to the smaller specific surface area and pore volume, the decreased ratio of Fe3+/Fe2+ and Ce3+/Ce4+, as well as the reduced redox ability and surface acidity.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Royal Society of Chemistry
ISSN: 2046-2069
Date of First Compliant Deposit: 22 January 2021
Date of Acceptance: 30 November 2020
Last Modified: 04 May 2023 19:35

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