DSC study on combustion behavior of tahe heavy oil and its low temperature oxidation products

In this study, the combustion behaviors of heavy oil and low temperature oxidation products were analyzed by differential scanning calorimetry (DSC) technique. The results elucidated that the coke formed after static oxidation showed the highest heat release (24.03 kJ/g), which was a positive signal...

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Bibliographic Details
Published in:Petroleum science and technology 2021-10, Vol.39 (19-20), p.795-803
Main Authors: Chen, Ya-Fei, Gong, Xiao-Long, Pu, Wan-Fen, Liu, Xue-Li, Hui, Jian
Format: Article
Language:English
Subjects:
Asphaltenes
ASTM E698
Combustion
combustion kinetics
Differential scanning calorimetry
heavy oil
High temperature
Low temperature
low temperature oxidation
Oxidation
Signal processing
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Summary:In this study, the combustion behaviors of heavy oil and low temperature oxidation products were analyzed by differential scanning calorimetry (DSC) technique. The results elucidated that the coke formed after static oxidation showed the highest heat release (24.03 kJ/g), which was a positive signal for the in-situ combustion (ISC) process of Tahe heavy oil. The most abundant asphaltenes in heavy oil and residue contributed more fuel for high temperature oxidation (HTO), resulting the two samples to exhibit intense HTO reactions. In summary, activation energies of the samples in the low temperature oxidation (LTO) were higher than that in HTO region.
ISSN:1091-6466
1532-2459
DOI:10.1080/10916466.2021.1967983