Splitting up of extracts obtained from solid carbonaceous materials. [separation of waxes and asphalts from liquefaction products]
Patent
·
OSTI ID:7301899
An improved process for working up liquefaction products from solid bituminous carbonaceous materials containing insoluble non-carbonaceous substances and selected from the class consisting of mineral coals, brown coals, shales and peat comprises extracting the solid carbonaceous material with a suitable solvent at a temperature above about 370/sup 0/C to dissolve both asphaltic and waxy constituents, separating the undissolved portions from the resulting solution, removing at least a portion of the solvent from the solution, then slowly chilling the remaining solution of asphaltic and waxy constituents to a temperature sufficient to cause separation of the asphaltic constituents as a relatively heavier layer from a relatively lighter liquid wax layer and mechanically separating the waxy and the asphaltic layers.
- Assignee:
- TIC; EDB-77-116946
- Patent Number(s):
- US 2223184
- OSTI ID:
- 7301899
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
04 OIL SHALES AND TAR SANDS
040402 -- Oil Shales & Tar Sands-- Surface Methods
ASPHALTS
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
COAL
COAL LIQUIDS
ENERGY SOURCES
EXTRACTION
FOSSIL FUELS
FUELS
MINERAL OILS
OIL SHALES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PEAT
PRODUCTION
SEPARATION PROCESSES
SHALE OIL
SOLVENT EXTRACTION
SYNTHETIC FUELS
SYNTHETIC PETROLEUM
TAR
WAXES
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
04 OIL SHALES AND TAR SANDS
040402 -- Oil Shales & Tar Sands-- Surface Methods
ASPHALTS
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
COAL
COAL LIQUIDS
ENERGY SOURCES
EXTRACTION
FOSSIL FUELS
FUELS
MINERAL OILS
OIL SHALES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PEAT
PRODUCTION
SEPARATION PROCESSES
SHALE OIL
SOLVENT EXTRACTION
SYNTHETIC FUELS
SYNTHETIC PETROLEUM
TAR
WAXES