PROCESS FOR REMOVAL OF SOLID CONTAMINATING IMPURITIES FROM WASTE OIL Russian patent published in 1994 - IPC

Abstract RU 2023005 C1

FIELD: purification process. SUBSTANCE: waste oil is treated by using 3-50 % by weight of a polyfluorinated alcohol with boiling point of from 80 to 200 C. The treatment is carried out by dispergating such alcohol for 8-30 min at specific consumption of mechanical energy between 50 -900 W/dm³.. The mechanical dispersion of the alcohol is preferably carried out by using a mechanical stirrer or ultrasonically. EFFECT: improved purification process. 2 cl, 4 tbl

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RU 2 023 005 C1

Authors

Bordunov V.V.

Fedjunin V.A.

Cherepen'Ko E.A.

Dates

1994-11-15—Published

1992-04-24—Filed