Abstract This research aims to explore the effects of saturates, aromatics, resins and asphaltenes (SARA) fractions on the heavy crude oil pyrolysis behavior. The results showed that resins and asphaltenes had more pyrolysis residues (22.04% and 45.66%) relative to other samples. However, no residue was found after pyrolysis reactions when the oil mixed with SARA fractions. In addition, high temperature pyrolysis (HTP) activation energies of oil + saturate/resins/asphaltenes (112.50/128.36/119.45 kJ/mol) were less than that of the heavy oil (146.20 kJ/mol). The addition of saturates, resins, and asphaltenes could reduce the difficulty of the heavy oil HTP reactions.

中文翻译：

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SARA馏分对重质原油热解行为和动力学的影响

摘要 本研究旨在探讨饱和物、芳烃、树脂和沥青质 (SARA) 馏分对重质原油热解行为的影响。结果表明，相对于其他样品，树脂和沥青质具有更多的热解残留物（22.04% 和 45.66%）。然而，当油与 SARA 馏分混合时，在热解反应后没有发现残留物。此外，油+饱和物/树脂/沥青质的高温热解(HTP)活化能(112.50/128.36/119.45 kJ/mol)低于重油(146.20 kJ/mol)。饱和物、树脂和沥青质的加入可以降低重油 HTP 反应的难度。