Examination of the oxidation behavior of biodiesel soot

In this work, we expand upon past work relating the nanostructure and oxidative reactivity of soot. This work shows that the initial structure alone does not dictate the reactivity of diesel soot and rather the initial oxygen groups have a strong influence on the oxidation rate. A comparison of the...

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Veröffentlicht in:Combustion and flame 2006-09, Vol.146 (4), p.589-604
Hauptverfasser: Song, Juhun, Alam, Mahabubul, Boehman, André L., Kim, Unjeong
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container_end_page 604
container_issue 4
container_start_page 589
container_title Combustion and flame
container_volume 146
creator Song, Juhun
Alam, Mahabubul
Boehman, André L.
Kim, Unjeong
description In this work, we expand upon past work relating the nanostructure and oxidative reactivity of soot. This work shows that the initial structure alone does not dictate the reactivity of diesel soot and rather the initial oxygen groups have a strong influence on the oxidation rate. A comparison of the complete oxidation behavior and burning mode was made to address the mechanism by which biodiesel soot enhances oxidation. Diesel soot derived from neat biodiesel (B100) is far more reactive during oxidation than soot from neat Fischer–Tropsch diesel fuel (FT100). B100 soot undergoes a unique oxidation process leading to capsule-type oxidation and eventual formation of graphene ribbon structures. The results presented here demonstrate the importance of initial properties of the soot, which lead to differences in burning mode. Incorporation of greater surface oxygen functionality in the B100 soot provides the means for more rapid oxidation and drastic structural transformation during the oxidation process.
doi_str_mv 10.1016/j.combustflame.2006.06.010
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subjects 09 BIOMASS FUELS
10 SYNTHETIC FUELS
Air pollution caused by fuel industries
Applied sciences
Biodiesel
BIOFUELS
COMBUSTION KINETICS
DIESEL FUELS
Diesel particulate
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Metering. Control
OXIDATION
SOOT
Surface oxygen functionality
title Examination of the oxidation behavior of biodiesel soot
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