Journal ArticleDOI
Influence of NH3 and NO oxidation on the SCR reaction mechanism on copper/nickel and vanadium oxide catalysts supported on alumina and titania
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In this paper, the influence of ammonia and nitric oxide oxidation on the selective catalytic reduction (SCR) of NO by ammonia with copper/nickel and vanadium oxide catalysts, supported on titania or alumina have been investigated, paying special attention to N2O formation.About:
This article is published in Catalysis Today.The article was published on 2002-07-03. It has received 71 citations till now. The article focuses on the topics: Industrial catalysts & Nickel oxide.read more
Citations
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Journal ArticleDOI
DRIFT Study of CuO–CeO2–TiO2 Mixed Oxides for NOx Reduction with NH3 at Low Temperatures
TL;DR: A CuO-CeO2-TiO2 ternary oxide catalyst for selective catalytic reduction of NOx with NH3 (NH3-SCR) at low temperatures was prepared by a sol-gel method and characterized by X-ray diffraction, Brunner-Emmett-Teller surface area, ultraviolet-visible spectroscopy, H2 temperature-programmed reduction, scanning electron microscopy and in situ diffuse reflectance infrared Fourier transform spectroscopic
Proceedings ArticleDOI
Modeling and Control of a Urea-SCR Aftertreatment System
TL;DR: In this article, a model for simulating the transient performance of a NO x aftertreatment system using Selective Catalytic Reduction with urea as a reductant (urea-SCR) was developed, calibrated for a heavy-duty engine application, and used to develop a closed loop self-tuning control strategy.
Journal ArticleDOI
Development and experimental studies of a control-oriented SCR model for a two-catalyst urea-SCR system
Ming-Feng Hsieh,Junmin Wang +1 more
TL;DR: In this paper, the authors presented the development and experimental studies of a complete selective catalytic reduction (SCR) system control-oriented model of a two-catalyst SCR system with onboard NO x and ammonia sensors.
Journal ArticleDOI
Structural Feature and Catalytic Performance of Cu Species Distributed over TiO2 Nanotubes
TL;DR: Extended X-ray absorption fine structure investigations of these catalysts reflected higher degrees of CuO dispersion and Cu2+ dissolution into the TiO2 lattice for the tubular Cu/TiO2 catalysts.
Journal ArticleDOI
Deactivation mechanism of arsenic and resistance effect of SO42− on commercial catalysts for selective catalytic reduction of NOx with NH3
TL;DR: A series of activity and characterization experiments are applied to reveal the deactivation mechanism caused by arsenic poisoning as mentioned in this paper, which indicates that doping of As on the catalysts, which exists as H2AsO4− and HAsO42−, doesn't seriously change surface area of catalysts or TiO2 phase, but greatly decreases both the Lewis and Bronsted acid sites.
References
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Journal ArticleDOI
Catalytic removal of NO
TL;DR: In this paper, the authors review the catalytic reactions for the removal of NO and discuss the reduction of NO in the presence of NH3, CO, H-2 or hydrocarbons as well as the decomposition of NO.
Book
Catalytic Air Pollution Control: Commercial Technology
TL;DR: In this paper, the authors present an overview of the history of catalytic components in diesel engines and their application in a variety of applications, such as catalytic converter, catalytic converters, and catalytic monoliths.
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Fourier transform-infrared study of the adsorption and coadsorption of nitric oxide, nitrogen dioxide and ammonia on vanadia-titania and mechanism of selective catalytic reduction
TL;DR: In this paper, the adsorption of nitric oxide, nitrogen dioxide and ammonia and their coadsorption on vanadia-titania have been studied by FT-IR spectroscopy.
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Adsorption, Activation, and Oxidation of Ammonia over SCR Catalysts
TL;DR: In this paper, the catalytic activity in the reduction of NO by ammonia in the presence of oxygen (SCR process) is reported for CuO-TiO2 and for different catalysts belonging to the MgO-Fe2O3 system.
Journal ArticleDOI
Mechanism of the reaction of NO and NH3 on vanadium oxide catalyst in the presence of oxygen under the dilute gas condition
TL;DR: In this paper, the authors showed that the NO-NH 3 reaction on vanadium oxide catalyst under the dilute gas condition was markedly accelerated by the addition of O 2, and the oxygen species responsible for the acceleration of the reaction was found to be the V 3+ O species on the catalyst.