Branch. Mixing and Reaction of NH3 with NO in Combustion Products. Combustion and Flame, 42:173-181, 1981.Banna SM, Branch MC (1981) Mixing and reaction of NH 3 with NO in combustion products. Combust Flame 42:173–181Mixing and reaction of NH 3 with NO in combustion products. Samir ...
Decreasing NO formation with increasing NH3 concentration can be attributed to increased NH2 production at the tip of the flames, Fig. 4, which has been identified as the key species for NO consumption in the flame through the chain branching reaction NH2 + NO ↔ NNH + OH and the chain ...
Fig.14 presents the rate of the elementary reactions contributing to NO formation calculated by using the 1D premixed flame model over the XH2range of 0-50%. Results show that the normalized reaction rate of NH →HNO increases with the increase of XH2for all equivalence ratios.As XH2is inc...
We measured ammonia using a proton transfer reaction time-of-flight mass spectrometer (PTR3-TOF-MS, or PTR3 for short)40. As a carrier gas for the primary ions, we used argon (ultra-high purity 5.0) to ensure that ammonium ions could not be artificially formed in the region of the ...
S Xie,H Zhang - 《Combustion & Flame》 被引量: 0发表: 2024年 Chemical kinetic analysis on influence of hydrogen enrichment on the combustion characteristics of ammonia air using newly proposed reaction model Summary In recent years, ammonia has shown great potential for future green fuel. However...
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With increasing exposure time, the peak intensities of the NH3species became increasingly weak, which indicated that these species were not stable on the catalyst surface. The fast desorption of NH3species will favor SCR reaction (Supplementary Fig.5c). In the Fe–Mn/SBA-15 sample, fewer peaks...
A preliminary examination of the flame structure shows the ammonia oxidation leads to the formation of NH2 radicals and to the occurrence of H, O and OH radicals concentrations much lower than those observed in an NH3/O2/Ar flame. The reaction of NH2 with NO is the key process for the ...
As the fourth state of matter, plasma can introduce new excited particles and large numbers of ions into combustion system to generate new reaction paths. For example, the high-energy electrons/ions can collide with oxygen molecules to generate oxygen atoms, thus generating dynamic effects. More...
In this work, a catalyst with FeVO4 nanorods supported on TiO2 was prepared and applied for NH3–SCR reaction. A significantly enhanced low temperature catalytic activity has been achieved in the presence of 10% H2O with the active window shifting by 15 °C to lower temperatures, compared to...