FIELD: petroleum processing.
SUBSTANCE: residual motor oils are obtained from vacuum residues using two-step propane deasphalting process wherein, before second deasphalting step, spent motor oil is added to asphalt phase.
EFFECT: increased yield of residual motor oils.
1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF PETROLEUM RAW DEASPHALTIZING | 1993 |
|
RU2112010C1 |
METHOD OF DEASPHALTING OF PETROLEUM RESIDUE | 1998 |
|
RU2167186C2 |
METHOD FOR DEASPHALTING PETROLEUM RESIDUES | 0 |
|
SU1006479A1 |
METHOD OF OIL PLASTIFICATORS OBTAINING | 2016 |
|
RU2628065C2 |
METHOD FOR DEASPHALTING OF PETROLEUM RESIDUES | 1998 |
|
RU2136720C1 |
PROCEDURE FOR "DRY" PROPANE DE-ASPHALTISATION OF OIL RESIDUES | 2009 |
|
RU2436836C2 |
METHOD OF TWO COLUMN PROPANE DEASPHALTING OF OIL RESIDUES | 2013 |
|
RU2552419C2 |
METHOD FOR DEASPHALTIZATION AND EXTRACTION OF RESIDUAL PETROLEUM RAW MATERIAL | 0 |
|
SU1055756A1 |
METHOD OF BITUMEN DEASPHALTING | 0 |
|
SU1147736A1 |
METHOD OF PRODUCING BASE OIL HAVING LOW CONTENT OF SULPHUR AND ECOLOGICALLY CLEAN AROMATIC FILLER MATERIALS AND CAOUTCHOUC AND RUBBER PLASTICISERS | 2010 |
|
RU2450045C1 |
Authors
Dates
2004-08-27—Published
2002-11-29—Filed