Heat treatment of oil sands of Kazakhstan for the extraction of natural bitumen
DOI:
https://doi.org/10.18321/cpc21(3)119-126Keywords:
oil sands, natural bitumen, heat treatment, IR spectroscopyAbstract
The paper considers a thermal method for extracting natural bitumen from Beke, Munaily Mola and Dongeleksor oil sands. The outputs of the products of the of bitumen thermal extraction process from oil sands were determined. The dependences of the natural bitumen yield on the time and temperature of the process have been established. The process of natural bitumen extraction by heat treatment for the Beke oil sand occurs at a lower temperature and faster than for other samples. The maximum yield of natural bitumen is observed during heat treatment of the Munaily Mola oil sand and is 9.7 wt.%. The composition of extracted bitumen after heat treatment of oil sands was studied by IR spectroscopy.
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