Mechanism of selective catalytic oxidation of ammonia to nitrogen over Ag/Al2O3
TLDR
The mechanism of selective catalytic oxidation (SCO) of NH3 over Ag/Al2O3 was studied by NH3 temperature-programed oxidation, O-2-pulse adsorption, and in situ DRIFTS of NH-3 adaption and oxidation.About:
This article is published in Journal of Catalysis.The article was published on 2009-11-15 and is currently open access. It has received 158 citations till now. The article focuses on the topics: Selective catalytic reduction & NOx.read more
Citations
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Journal ArticleDOI
In situ DRIFTS study of NO reduction by NH3 over Fe–Ce–Mn/ZSM-5 catalysts
Guangying Zhou,Guangying Zhou,Biaocheng Zhong,Wenhui Wang,Xiaojian Guan,Bichun Huang,Daiqi Ye,Huijun Wu +7 more
TL;DR: In this article, the performance of catalysts in NO selective catalytic reduction by NH3 was tested in the temperature range of 100-500 ǫ c. In situ diffuse reflectance infrared transform spectroscopy (DRIFTS) study was carried out for revealing the reaction mechanism.
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Structure, acidity and activity of CuOx/WOx–ZrO2 catalyst for selective catalytic reduction of NO by NH3
TL;DR: In this paper, a series of CuOx/WOx-ZrO2 catalysts were synthesized by impregnating different amounts of copper on the coprecipitated WOx-O2 support and were characterized by XRD, BET, XPS, NH3/NO chemisorption, NH 3-TPO and NH3-SCR activity measurements.
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Advances in selective catalytic oxidation of ammonia to dinitrogen: a review
TL;DR: In this paper, different types of catalytic systems active in selective ammonia oxidation are presented and discussed, and the possible mechanisms of ammonia oxidation and the concept of a bifunctional catalyst are discussed and analyzed.
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Synthesis and Characterization of Novel Plasmonic Ag/AgX-CNTs (X = Cl, Br, I) Nanocomposite Photocatalysts and Synergetic Degradation of Organic Pollutant under Visible Light
TL;DR: Results confirmed the existence of the direct interfacial contact between Ag/ AgX nanoparticles and CNTs, and Ag/AgX-CNTs nanocomposites exhibit superior absorbance in the visible light (VL) region owing to the surface plasmon resonance of Ag nanoparticles.
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Characterization of Ceria’s Interaction with NOx and NH3
TL;DR: In this article, the role of ceria in the reduction of NOx on lean NOx traps and in the selective catalytic oxidation (SCO) of NH3 was investigated.
References
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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.
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Mechanism of the Selective Catalytic Reduction of NO by NH3over MnOx/Al2O3☆
TL;DR: In this paper, the adsorption of NO and NH3 on MnOx/Al2O3 catalysts, used for the low temperature selective catalytic reduction of NO, was studied separately by use of TPD (with labelled compounds) and FTIR.
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Ammonia activation over catalysts for the selective catalytic reduction of NOx and the selective catalytic oxidation of NH3. An FT-IR study
TL;DR: In this paper, the adsorption and transformation of ammonia over V 2 O 5 based systems has been investigated by FT-IR spectroscopy, and it is shown that ammonia is activated in the form of NH 2 species for both SCR and SCO.
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An FT-IR study of ammonia adsorption and oxidation over anatase-supported metal oxides
TL;DR: In this paper, the adsorption and the oxidation of ammonia over sub-monolayer TiO2-anatase supported chromium, manganese, iron, cobalt, nickel and copper oxides, has been investigated using FT-IR spectroscopy.
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Transmission FT-IR and Knudsen Cell Study of the Heterogeneous Reactivity of Gaseous Nitrogen Dioxide on Mineral Oxide Particles
TL;DR: In this paper, the authors investigated the heterogeneous reactivity of gaseous nitrogen dioxide on mineral oxide particles and showed that the surface becomes populated with surface nitrate bonded in several different bonding coordinations (monodentate, bidentate and bridging).