Growth characteristics of polycyclic aromatic hydrocarbons in dimethyl ether diffusion flame

Hayashida, Kazuhiro; Mogi, Tatsushi; Amagai, Kenji; Arai, Masataka

doi:10.1016/j.fuel.2010.10.012

Cited by 36 publications

(19 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…37 PAH is also formed in the early stages of combustion of dimethyl ether in a counterflow flame. 38 There is a similarity in using conventional fuels and biofuels for both PAH and soot formation. 37,39 The formation of NO is slightly enhanced by the use of biofuel.…”

Section: Relevance To Pah Formation During Pyrolysis Andmentioning

confidence: 99%

Investigation of Pyrolysis of Hydrocarbons and Biomass Model Compounds Using a Micropyrolysis Flow Cell

et al. 2011

View full text Add to dashboard Cite

Hydrocarbon growth mechanisms based on a combination of small hydrocarbon fragments, such as C 2 /C 4 , have been postulated in high-temperature flames. However, there is considerable evidence of alternative pathways, especially in lower temperature regimes, in particular, the importance of resonance-stabilized radicals based on cyclopentadienyl (CPDyl) moieties. Further evidence of polycyclic aromatic hydrocarbon (PAH) growth mechanisms can be provided by analytical pyrolysis experiments using high-temperature flow cells. An analytical micropyrolysis flow cell method has been developed, enabling reactive pyrolysis of solid and liquid samples. This uses a SGE microflow cell pyrojector interfaced to a CDS 5200 series pyrolyzer in adsorbent mode for the product concentration, followed by gas chromatographyÀmass spectrometry (GCÀMS) or Fourier transform infrared (FTIR) analysis. The flow cell system enables residence time and stoichiometry to be varied. The benefits of the system over a filament pyrolyzer are demonstrated. A number of applications of this technique are presented to illustrate the potential of this system to investigate biofuel decomposition, PAH growth mechanisms, and soot formation from different hydrocarbon and oxygenated fuels. Evidence is obtained indicating that resonance-stabilized intermediates, especially CPDyl, are important in PAH growth mechanisms for a wide range of fuel types.

show abstract

Section: Relevance To Pah Formation During Pyrolysis Andmentioning

confidence: 99%

Investigation of Pyrolysis of Hydrocarbons and Biomass Model Compounds Using a Micropyrolysis Flow Cell

et al. 2011

View full text Add to dashboard Cite

show abstract

“…These young particles are thought to be formed from fast coalescence of precursor particles acting as a nuclei for the condensation of gas phase species [10,15,16,17]. The nuclei (1-3 nm) are thought to be formed by the collision of polycyclic aromatic hydrocarbon (PAH) molecules [16,18] and clusters of them [15,19,20], as revealed by HRTEM images of soot particles [21,17].…”

Section: Introductionmentioning

confidence: 99%

Internal structure of soot particles in a diffusion flame

Botero

Yuan

Akroyd

et al. 2019

Carbon

111

View full text Add to dashboard Cite

show abstract

“…Polycyclic aromatic hydrocarbons (PAHs) are key intermediates in soot formation [1][2][3][4][5]. In the soot nucleation process, for example, PAHs are considered to act as the building blocks that undergo chemical reactions to form incipient soot; in the soot surface growth process, they contribute to the growth of soot particles by attaching to soot outer surfaces.…”

Section: Introductionmentioning

confidence: 99%

Evolution of in-cylinder polycyclic aromatic hydrocarbons in a diesel engine fueled with n-heptane and n-heptane/toluene

Wang

Chen

et al. 2015

Fuel

View full text Add to dashboard Cite

Growth characteristics of polycyclic aromatic hydrocarbons in dimethyl ether diffusion flame

Cited by 36 publications

References 47 publications

Investigation of Pyrolysis of Hydrocarbons and Biomass Model Compounds Using a Micropyrolysis Flow Cell

Investigation of Pyrolysis of Hydrocarbons and Biomass Model Compounds Using a Micropyrolysis Flow Cell

Internal structure of soot particles in a diffusion flame

Evolution of in-cylinder polycyclic aromatic hydrocarbons in a diesel engine fueled with n-heptane and n-heptane/toluene

Contact Info

Product

Resources

About