期刊
APPLIED CATALYSIS A-GENERAL
卷 504, 期 -, 页码 542-548出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2014.10.021
关键词
HC-SCR; NOx; Reduction by hydrocarbons; Minireview
资金
- Communaute Urbaine de Dunkerque
- Region Nord Pas-de-Calais
- Ministere de l'Enseignement Superieur et de la Recherche
- CNRS
- European Regional Development Fund (ERDF)
- Syndicat Mixte de la Cote d'Opale
- Region Nord-Pas de Calais
- Lebanese CNRS
- ULCO
This short review concerns the efficient catalysts for HC-SCR discovered more than 20 years ago. In 1990, Iwamoto proposed Cu ion-exchanged ZSM-5, and it was the first powerful catalyst for HC-SCR. This paper presents first metal ion-exchanged zeolites and the influence of various parameters on the catalysts activities (acidity, O-2 content, etc.). In the second part, this paper reviews supported metal catalysts, base metal oxides, hybrid catalysts and the possible reducing agents to remove NOx. It can be inferred that the most active catalysts for HC-SCR should have acidic sites, an active phase like copper or cobalt, or for a wider activity, elements such as silver or a mixture of metals. For low deactivation, they should contain noble metals such as platinum, rhodium or tin. (C) 2014 Elsevier B.V. All rights reserved.
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