abstract |
A method for refining petroleum oil fractionsnby hydrotreatingnchanges in the structural-type oily compositionnand subsequent liquid extractionnselective solvent refining,nin order to increase yields and improvenraffinate quality for oil productionnin particular automotive, turbine andnelektroizolaoných.nIt is usable in processing plantsnoil, which produces base oils asnother lubricating oils. |