NDLI: Promotional effect of iron oxide on the catalytic properties of Fe–MnOx/TiO2 (anatase) catalysts for the SCR reaction at low temperatures

Content Provider	Royal Society of Chemistry (RSC)
Author	Fan, Yining Deng, Shengcai Xu, Bolian Zhuang, Ke Ding, Yuanhua Yu, Lei
Copyright Year	2016
Abstract	The surface interaction of an iron-improved MnOx/TiO2 (anatase) catalyst for the selective catalytic reduction of nitric oxide was studied through detailed experiments. It was found that iron improved the catalyst by regulating the degree of polymerization and the dispersion of Mn oxide species supported on the anatase surface, which was the key factor for both the SCR activity and the N2 selectivity. The increased NO conversion was caused by the higher Mn oxide dispersion, while selectivity evaluation showed that N2O formation on the MnOx/TiO2 catalyst was much higher than that on the iron-improved catalyst. Isotopic labelling experiments using 15NH3 with NO indicated that NH was the key species for N2O generation. NH was easily generated on MnOx/TiO2 without iron, which had a higher oxidability than the iron-improved catalyst, as identified by H2 temperature-programmed reduction experiments.
Starting Page	1772
Ending Page	1778
Page Count	7
File Format	HTM / HTML PDF
ISSN	20444753
Volume Number	6
Issue Number	6
Journal	Catalysis Science & Technology
DOI	10.1039/c5cy01217a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Statistical dispersion Temperature-programmed reduction Anatase Nitric oxide Polymerization Selective catalytic reduction
Content Type	Text
Resource Type	Article
Subject	Catalysis

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Promotional effect of iron oxide on the catalytic properties of Fe–MnO_x/TiO₂ (anatase) catalysts for the SCR reaction at low temperatures