Process for the solvent deasphalting of asphaltene-containing hydrocarbons
Patent
·
OSTI ID:5587180
A continuous process for solvent deasphalting asphaltene-containing hydrocarbons which comprises mixing (A) 100 parts by weight of asphaltene-containing hydrocarbons with (B) 0.005-0.5 parts by weight of an amorphous silicon dioxide and/or a silicate compound and also with (C) 5-2000 parts by weight of a solvent such as n-heptane, n-hexane, n-heptane or a mixed n-pentane.n-butanol solvent, to form a mixture which is then allowed to stand still to precipitate and separate the asphaltene therefrom thereby obtaining a deasphalted oil.
- Assignee:
- Nippon Oil Co. Ltd. (Japan)
- Patent Number(s):
- US 4502950
- OSTI ID:
- 5587180
- Resource Relation:
- Patent Priority Date: Priority date 31 Jan 1984, Japan; Other Information: PAT-APPL-575717
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
HYDROCARBONS
DEASPHALTING
PRECIPITATION
SOLVENT EXTRACTION
ASPHALTENES
BUTANOLS
CHEMICAL COMPOSITION
HEPTANE
HEXANE
MIXING
PENTANE
SILICATES
SILICON OXIDES
ALCOHOLS
ALKANES
ASPHALTS
BITUMENS
CHALCOGENIDES
EXTRACTION
HYDROXY COMPOUNDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SEPARATION PROCESSES
SILICON COMPOUNDS
TAR
020400* - Petroleum- Processing
HYDROCARBONS
DEASPHALTING
PRECIPITATION
SOLVENT EXTRACTION
ASPHALTENES
BUTANOLS
CHEMICAL COMPOSITION
HEPTANE
HEXANE
MIXING
PENTANE
SILICATES
SILICON OXIDES
ALCOHOLS
ALKANES
ASPHALTS
BITUMENS
CHALCOGENIDES
EXTRACTION
HYDROXY COMPOUNDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SEPARATION PROCESSES
SILICON COMPOUNDS
TAR
020400* - Petroleum- Processing