NDLI: Steam tolerance of Fe/ZSM-5 catalyst for the selective catalytic reduction of NO$

Content Provider	Springer Nature Link
Author	Lee, Ho Taek Rhee, Hyun Ku
Copyright Year	2002
Abstract	This article reports the effects of steam on the activity and stability of Fe/ZSM-5 for the selective catalytic reduction of NO withiso-butane. When the feed contained 10% of H$_{2}$O, the de-NO$_{x}$ activity was maintained if the temperature was above the maximum conversion temperature. However, when the temperature was below the maximum conversion temperature, the catalytic activity decreased. The effect of high temperature steam treatment on the stability was also examined. After the steam treatment, the activity of Fe/ZSM-5 decreased due to the dealumination of ZSM-5 and the migration of Fe ion isolated in the ion exchange site to form ferromagnetic iron agglomerate. The physicochemical properties of the fresh and deactivated catalysts were monitored by ESR,$^{27}$Al MAS NMR, XPS, XRD, TPR and FT-IR spectroscopy.
Starting Page	574
Ending Page	579
Page Count	6
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	19
Issue Number	4
e-ISSN	19757220
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fe/ZSM-5 De-NO$_{x}$ SCR Steam Effect Hydrothermal Aging Deactivation Stability Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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Steam tolerance of Fe/ZSM-5 catalyst for the selective catalytic reduction of NO$_{x}$