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Isoconversional methods to determine the kinetics of crude oils - thermogravimetry approach
Date
2018-08-01
Author
Kök, Mustafa Verşan
Varfolomeev, Mikhail A.
Nurgaliev, Danis K.
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this research, kinetics of four crude oils from different origins are determined by iso-conversional methods using thermogravimetry data (TGA-DTG). The experiments were performed at three different heating rates (5-10-15 K/min) between 300 and 1200 K. Thermal characteristics of the crude oil samples such as, reaction intervals and corresponding peak and burn-out temperatures are also determined. Three different iso-conversional methods, known as Starink, Kissinger and Friedman are used in order to determine the activation energy values of the crude oil samples studied that represents the novelty of the research. Activation energy values of the crude oil samples are varied between 50 and 102 kJ/mol and 69-132 kJ/mol in low temperature oxidation region and high temperature oxidation region, respectively.
Subject Keywords
Fuel Technology
,
Geotechnical Engineering and Engineering Geology
URI
https://hdl.handle.net/11511/35940
Journal
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
DOI
https://doi.org/10.1016/j.petrol.2018.04.040
Collections
Department of Petroleum and Natural Gas Engineering, Article