Abstract—The extraction of oil products from oil sludge with liquid and supercritical fluid processes is studied. The initial oil sludge contains 30, 5.9, and 5.7 wt % of water, mechanical impurities, and asphaltenes, respectively. The extraction, with a 3 : 1 (wt %) mixture of propane and butane at 85–120°C and pressures of 10 and 15 MPa, allows petroleum products to be obtained with significantly low viscosity and low amount of sulfur and water.
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Funding
This work was financially supported by the Russian Science Foundation (project no. 18-19-00478) and the Russian Ministry of Science and Education (no. 13.5112.2017/8.9).
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Translated by A. Tulyabaev
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Khayrutdinov, V.F., Gabitova, A.R., Gumerov, F.M. et al. Extraction of Petroleum Products and Asphaltene–Resin Mixtures from Highly Watered Oil Sludge with Supercritical Fluid Method. Russ. J. Phys. Chem. B 13, 1128–1130 (2019). https://doi.org/10.1134/S1990793119070133
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DOI: https://doi.org/10.1134/S1990793119070133