Hydrocarbon and Soot Oxidation over Cerium and Iron Doped Vanadium SCR Catalysts
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DOI: 10.1002/cctc.202001314
Abstract: V2O5−WO3/TiO2 (VWTi) catalysts are widely employed for selective catalytic reduction (SCR) of NOx. However, due to their poor thermal stability the application in diesel particulate filters (DPFs), i. e. 2‐way SCRonDPF is limited. In this study,… read more here.
Keywords: hydrocarbon soot; soot oxidation; oxidation; scr ... See more keywords
Dual-Active-Sites in Co-Doped Pd/Beta Catalyst for Robust Soot Oxidation.
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DOI: 10.1002/smll.202501373
Abstract: The development of robust catalysts for soot oxidation is crucial for the emission control of diesel vehicles. Herein, a 0.5%Pd-1%Co/Beta catalyst with extraordinary soot oxidation activity is developed by doping Co into 0.5%Pd/Beta. Remarkably, doping… read more here.
Keywords: soot oxidation; dual active; oxidation; beta catalyst ... See more keywords
Promotional effect of nickel addition on soot oxidation activity of Ce0.9Pr0.1O2 oxide catalysts
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DOI: 10.1007/s11696-020-01275-2
Abstract: The present study investigates the promotional effect of Ni addition on soot oxidation activity of Ce0.9Pr0.1O2 oxide catalysts. A series of xNi-PDC (x= 0, 3, 5, 7, 10, 15, and 20 mol%) catalysts were synthesized… read more here.
Keywords: soot oxidation; addition; oxidation; oxidation activity ... See more keywords
Synergy between Ag nanoparticles and yttria-stabilized zirconia for soot oxidation
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DOI: 10.1016/j.apcatb.2018.09.069
Abstract: Abstract This study investigates a potential synergy between Ag nanoparticles and Yttria-Stabilized Zirconia (YSZ), an oxygen ionically conducting support, for developing an efficient and stable catalyst for Diesel Particulate Filter regeneration only with oxygen. The… read more here.
Keywords: soot oxidation; oxidation; nanoparticles yttria; yttria stabilized ... See more keywords
MnOx-CeO2 mixed oxides as the catalyst for NO-assisted soot oxidation: The key role of NO adsorption/desorption on catalytic activity
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DOI: 10.1016/j.apsusc.2018.08.186
Abstract: Abstract The role of NO adsorption/desorption on soot oxidation activity of MnOx-CeO2 mixed oxides was investigated in this work. NO adsorption/desorption on MnOx-CeO2 results in a visible promotion of the low-temperature reactivity. Physico-chemical characterization reveals… read more here.
Keywords: adsorption desorption; soot oxidation; role; desorption ... See more keywords
Controlled synthesis of CeO2 nanorods and their promotional effect on catalytic activity and aging resistibility for diesel soot oxidation
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DOI: 10.1016/j.apsusc.2020.145401
Abstract: Abstract Nanostructure of catalysts plays a critical role in catalytic activity and durability. Herein, a ceria nanorod catalyst, CeO2(NR), was designed and synthesized, and the relationships between nanostructure and catalytic activity as well as aging… read more here.
Keywords: soot oxidation; microscopy; catalytic activity; ceo2 ... See more keywords
Ag-doped manganese oxide catalyst for gasoline particulate filters: Effect of crystal phase on soot oxidation activity
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DOI: 10.1016/j.apsusc.2021.151041
Abstract: Abstract Manganese oxide catalysts were synthesized by a hydrothermal method, and silver was doped to promote active oxygen generation. As the calcination temperature increased, the crystal phases of manganese oxide were changed into Mn2O3 from… read more here.
Keywords: soot oxidation; oxidation; catalyst; manganese oxide ... See more keywords
Real-time, in situ, atomic scale observation of soot oxidation
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DOI: 10.1016/j.carbon.2019.01.007
Abstract: The oxidation of soot is a complex process due to the heterogeneous structure of the material. Several mechanisms have been hypothesized based on ex situ studies, but need confirmation from in situ observation; furthermore, deeper… read more here.
Keywords: soot oxidation; time; atomic scale; oxidation ... See more keywords
X-ray photoelectron and Raman spectroscopy of nanostructured ceria in soot oxidation under operando conditions
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DOI: 10.1016/j.carbon.2021.03.009
Abstract: ABSTRACT Ceria nanoshapes exhibiting different amounts of {100}, {110} and {111} facets (cubes, rods, octahedra and polyhedra) were prepared, characterized, tested in the carbon soot oxidation reaction, and studied by operando near ambient pressure X-ray… read more here.
Keywords: soot oxidation; ray photoelectron; spectroscopy; oxidation ... See more keywords
Pt mechanical dispersion on non-porous alumina for soot oxidation
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DOI: 10.1016/j.catcom.2020.105999
Abstract: Abstract A sustainable mechanical method to disperse Pt particles on the surface of non-porous α-Al2O3 microparticles is reported. The hierarchical Pt/α-Al2O3 catalyst possesses a metal specific surface area one order of magnitude lower than the… read more here.
Keywords: non porous; al2o3; soot oxidation; mechanical dispersion ... See more keywords
Facile synthesis of 3D ordered macro-mesoporous Ce1-xZrxO2 catalysts with enhanced catalytic activity for soot oxidation
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DOI: 10.1016/j.cattod.2019.05.061
Abstract: Abstract A series of three-dimensionally ordered macroporous-mesoporous (3DOM-m) ceria-zirconia oxide (Ce1-xZrxO2) catalysts were synthesized successfully by combined methods of the evaporation-induced interfacial self-assembly and colloidal crystal templates (EISA−CCT). The hierarchical porous nanostructure of 3DOM-m Ce1-xZrxO2… read more here.
Keywords: soot oxidation; xzrxo2 catalysts; ce1 xzrxo2; catalytic activity ... See more keywords