The chemical structure and the kinetics research of oil-wet oil sand from Kazakhstan during pyrolysis process
PETROLEUM SCIENCE AND TECHNOLOGY(2017)
摘要
The pyrolysis experiments on the oil sands from Kazakhstan were carried out in a batch reactor. The FT-IR spectrum and the H-1-NMR spectrum of pyrolysis oil under different temperatures were carried out to investigate the changes of functional group with temperature. The TGA experiments of oil sand were performed at different heating rates of 5, 10, 15, and 20 degrees C/min up to 600 degrees C. The Coats-Redfern method was accepted to calculate the kinetic parameters (apparent activation energy E and frequency factor A) of the desorption stage and the thermal cracking stage, respectively.
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关键词
H-1-NMR,FT-IR,kinetics,oil-wet oil sand,pyrolysis oil,structural analysis
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