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Process for feeding slurry-pressurized and solvent-dewatered coal into a pressurized zone

Patent ·
OSTI ID:6777642
;
Substantially dry coal fines are fed into a pressurized zone by slurrying coal fines with a liquid, water-miscible, volatile organic solvent to form a pumpable slurry, pressurizing the slurry, removing and recycling the organic solvent component of the liquid phase of the slurry, thermally drying the pressurized fines and transporting the dried, pressurized fines into the pressurized zone.
Assignee:
Shell Oil Company
Patent Number(s):
US 4422246
OSTI ID:
6777642
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010404 -- Coal
Lignite
& Peat-- Gasification
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
COAL FINES
COAL GASIFICATION
COAL PREPARATION
CONTAINERS
DESIGN
DISPERSIONS
DRYERS
DRYING
EQUIPMENT
FUEL SLURRIES
FUELS
GASIFICATION
HOPPERS
MATERIALS HANDLING EQUIPMENT
MIXTURES
OPERATION
ORGANIC SOLVENTS
PNEUMATIC TRANSPORT
PRESSURIZERS
PRESSURIZING
PUMPING
RECYCLING
REMOVAL
SLURRIES
SOLVENTS
SUSPENSIONS
THERMOCHEMICAL PROCESSES
TRANSPORT
WATER REMOVAL