NDLI: High Intrinsic Catalytic Activity of CeVO$_{4}$-Based Catalysts for Ammonia-SCR: Influence of pH During Hydrothermal Synthesis

Content Provider	Springer Nature Link
Author	Gillot, Sylvain Dacquin, Jean Philippe Dujardin, Christophe Granger, Pascal
Copyright Year	2016
Abstract	The catalytic activity of unsupported CeVO$_{4}$ solid was investigated in ammonia-SCR at various NO/NO$_{x}$ ratio. CeVO$_{4}$ structure was obtained from a straightforward hydrothermal synthesis route under mild conditions and then stabilized after ageing in wet atmosphere at 600 °C. The influence of pH measured after the hydrothermal treatment could be a crucial parameter to get optimal bulk and surface properties. The evolution of intrinsic catalytic activity was compared with regards to bulk and surface properties extracted from extensive characterization. The stabilization of V$^{5+}$ in CeVO$_{4}$ structure during NH$_{3}$-SCR reactions was observed even after thermal aging at high temperature. This opens new perspectives for vanadium-based catalysts in mobile sources applications.
Starting Page	987
Ending Page	995
Page Count	9
File Format	PDF
ISSN	10225528
Journal	Topics in Catalysis
Volume Number	59
Issue Number	10-12
e-ISSN	15729028
Language	English
Publisher	Springer US
Publisher Date	2016-05-03
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ammonia-SCR Nitrogen oxides Nitrous oxide Vanadium CeVO$_{4}$ Catalysis Physical Chemistry Pharmacy Industrial Chemistry/Chemical Engineering Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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High Intrinsic Catalytic Activity of CeVO$_{4}$-Based Catalysts for Ammonia-SCR: Influence of pH During Hydrothermal Synthesis