METHOD FOR OIL PURIFICATION FROM HETEROATOMIC COMPONENTS Russian patent published in 2022 - IPC C10G25/00 C10G29/16 B01J19/10 B01J20/06 

FIELD: oil refining.

SUBSTANCE: invention relates to the field of oil purification. A method for oil purification from heteroatomic components is described, including the use of a sorbent in the form of a mixture of oxide powders NiO:CuO:CoO:Li₂O in the ratio 1.0:2.0:1.0:(0.5-0.7) mass parts, which are mixed with oil in a mass ratio of 1:5 at atmospheric pressure, the resulting mixture of sorbent and oil is exposed to ultrasound with an intensity of 0.15 W/m² with a frequency of 22 kHz with a processing time of no more than 10 minutes, then filtered, the residues of oil from the sorbent is washed off with a mixture of solvents: hexane-benzene-ethanol, followed by its distillation at atmospheric pressure, the processed oil is sent for processing.

EFFECT: decrease in the content of heteroatomic components in oil by 8.58-9.1%, a decrease in the kinematic viscosity of oil.

1 cl, 2 dwg, 1 tbl, 1 ex