Abstract
The results of using the processes of liquid and supercritical fluid extraction to separate petroleum products from oil sludge have been presented. A mixture that consists of 75 wt % propane and 25 wt % butane has been used as an extractant. The initial oil sludge is characterized by the absence of water and a content of mechanical impurities in the amount of 12.05 wt %. Extraction processes are carried out in the temperature range of 85–160°C and pressure interval of 5–50 MPa. The results of modeling the extraction process for the separation of petroleum products from oil sludge have been presented.
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