NDLI: Promotional effect of zirconium additives on Ti0.8Ce0.2O2 for selective catalytic reduction of NO

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Catalysis Science & Technology Vol - 2 Issue - 2

Catalysis Science & Technology Vol -1

Promotional effect of zirconium additives on Ti_0.8Ce_0.2O₂ for selective catalytic reduction of NO

Content Provider	Royal Society of Chemistry (RSC)
Author	Shen, Yuesong Zhu, Shemin Ma, Yifan
Copyright Year	2012
Abstract	Flue gas denitrification has been a worldwide topic to build a low carbon society. In view of its high efficiency, high stability, mature technology and large amount of flue gas treatment, selective catalytic reduction (SCR) has been the most promising approach for removing NOx. As the core of the SCR technology, the catalyst has been attracting wide attention. In particular, developing a novel metal oxide denitrification catalyst with merits of high efficiency, low cost and being environmentally friendly has become an emerging research topic for environmental protection. The TiO2–CeO2 complex oxides reveal optimal catalytic performance and are considered by many as an excellent catalytic material for future SCR of NOx. In order to further enhance its anti-poisoning ability and optimize the catalytic stability of the TiO2–CeO2 complex oxides in denitrification, the promotional effect of a zirconium additive on the catalytic performance of the representative Ti0.8Ce0.2O2 for NH3-SCR of NO is systematically studied for the first time in the present work. Results show that zirconium additives not only dramatically improve the catalytic activity and N2 selectivity, but also significantly enhance the anti-sulfur ability. The promotional mechanism indicates that the improving effects are not induced by variation of specific surface area, but are caused by other reasons relating to redox properties, microstructure, and surface acidity of the catalyst.
Starting Page	589
Ending Page	599
Page Count	11
File Format	HTM / HTML PDF
ISSN	20444753
Volume Number	2
Issue Number	3
Journal	Catalysis Science & Technology
DOI	10.1039/c2cy00363e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Ammonia Zirconium Flue gas Mature technology Denitrification Redox Specific surface area Selective catalytic reduction Carbon
Content Type	Text
Resource Type	Article
Subject	Catalysis

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Promotional effect of zirconium additives on Ti_0.8Ce_0.2O₂ for selective catalytic reduction of NO

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