Abstract
The results of using processes of liquid and supercritical fluid extraction to isolate hydrocarbons from oil-bearing sands have been presented. The initial oil-bearing sand is characterized by a concentration of hydrocarbons of 7.23 wt % of the total weight of the sandstone. A mixture containing 75 wt % propane and 25 wt % butane has been used as the extracting agent. Extraction processes have been carried out in a temperature range of 80–140°C and pressure range of 5–10 MPa.
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Original Russian Text © V.F. Khairutdinov, T.R. Akhmetzyanov, F.M. Gumerov, I.Sh. Khabriev, M.I. Farakhov, 2017, published in Teoreticheskie Osnovy Khimicheskoi Tekhnologii, 2017, Vol. 51, No. 3, pp. 288–294.
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Khairutdinov, V.F., Akhmetzyanov, T.R., Gumerov, F.M. et al. Supercritical fluid propane–butane extraction treatment of oil-bearing sands. Theor Found Chem Eng 51, 299–306 (2017). https://doi.org/10.1134/S0040579517030083
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DOI: https://doi.org/10.1134/S0040579517030083