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Coal liquefaction process with enhanced process solvent

Patent ·
OSTI ID:865106
;

In an improved coal liquefaction process, including a critical solvent deashing stage, high value product recovery is improved and enhanced process-derived solvent is provided by recycling second separator underflow in the critical solvent deashing stage to the coal slurry mix, for inclusion in the process solvent pool.

Research Organization:
International Coal Refining Company, Allentown, PA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-78OR03054
Assignee:
International Coal Refining Company (Allentown, PA)
Patent Number(s):
4,461,694
Application Number:
06/445,798
OSTI ID:
865106
Country of Publication:
United States
Language:
English

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Related Subjects

/208/
coal
coal liquefaction
coal slurry
critical
critical solvent
deashing
derived solvent
enhanced
improved
improved coal
including
inclusion
liquefaction
liquefaction process
mix
pool
process
process solvent
process-derived
product
product recovery
provided
recovery
recycling
separator
slurry
slurry mix
solvent
solvent deashing
stage
underflow
value
value product