Abstract
In this paper, the particular attention was placed on the effect of interactions between saturates (S), aromatics (A), resins (R), and asphaltenes (A) on the oxidation behavior and kinetics of heavy crude oil. The results disclosed that the close interactions between SARA were observed during low-temperature oxidation (LTO). However, these interactions generated minor influence on heat release of LTO of the oil, which made it accessible to predict the thermal release caused by LTO from individual SARA components. The interactions between SARA components were much stronger at the high-temperature oxidation (HTO) region relative to LTO region, and noticeably intensified heat release of the oil. According to the results of kinetics, it was believed that the interactions between SARA components exerted minor influence on the reactivity of the oil during LTO, but obviously improved the reactivity of the oil during HTO.
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Funding
The authors thank Research Institute of Technology, Petrochina Xinjiang Oilfield Company for the crude oil supply and financial support for this research.
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Shuai Zhao; ORCID: 0000-0003-4219-1944
Wanfen Pu; ORCID: 0000-0002-7681-1980
Mikhail A. Varfolomeev; ORCID: 0000-0001-8578-6257
Note: the other two authors in this manuscript are from Xinjiang Oilfield and do not have the ORCID ID.
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Shuai Zhao, Pu, W., Huo, J. et al. Effect of Interactions between Saturates-Aromatics-Resins-Asphaltenes Components on the Oxidation Behavior and Kinetics of Heavy Crude Oil. Pet. Chem. 60, 1226–1231 (2020). https://doi.org/10.1134/S0965544120110183
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DOI: https://doi.org/10.1134/S0965544120110183