Process for dissolving coal in hydrocarbon mixtures
Patent
·
OSTI ID:7089788
A process is described for bringing ground coal or similar carbon-containing raw materials into solution with aromatic solvents under elevated pressure and at elevated temperature. The solvents used are high-aromatic residues obtained from the pyrolysis of petroleum fractions, having an average boiling point of above 380/sup 0/ C., and/or high-aromatic distillates from the pressure/heat treatment of coal tar pitch, having an average boiling point of above 380/sup 0/ C., as well as from 5 to 30% of aromatic products or mixtures of aromatic products, having a boiling point of below 250/sup 0/ C.
- Assignee:
- Rutgerswerke Aktiengesellscha (Germany, Federal Republic of)
- Patent Number(s):
- US 4430193
- OSTI ID:
- 7089788
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
AROMATICS
BOILING POINTS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUIDS
COAL TAR
CONDENSED AROMATICS
DECOMPOSITION
DISPERSIONS
DISSOLUTION
DISTILLATES
DISTILLATION
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GRANULAR MATERIALS
HEAT TREATMENTS
HIGH TEMPERATURE
LIQUEFACTION
LIQUIDS
MATERIALS
MEDIUM PRESSURE
MIXTURES
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PHYSICAL PROPERTIES
PITCHES
PRODUCTION
PYROLYSIS
SEPARATION PROCESSES
SOLUTIONS
SOLVENTS
TAR
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
AROMATICS
BOILING POINTS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUIDS
COAL TAR
CONDENSED AROMATICS
DECOMPOSITION
DISPERSIONS
DISSOLUTION
DISTILLATES
DISTILLATION
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GRANULAR MATERIALS
HEAT TREATMENTS
HIGH TEMPERATURE
LIQUEFACTION
LIQUIDS
MATERIALS
MEDIUM PRESSURE
MIXTURES
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PHYSICAL PROPERTIES
PITCHES
PRODUCTION
PYROLYSIS
SEPARATION PROCESSES
SOLUTIONS
SOLVENTS
TAR
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE