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Coal liquefaction process

Patent ·
OSTI ID:862811
An improved coal liquefaction process is provided which enables conversion of a coal-oil slurry to a synthetic crude refinable to produce larger yields of gasoline and diesel oil. The process is characterized by a two-step operation applied to the slurry prior to catalytic desulfurization and hydrogenation in which the slurry undergoes partial hydrogenation to crack and hydrogenate asphaltenes and the partially hydrogenated slurry is filtered to remove minerals prior to subsequent catalytic hydrogenation.
Research Organization:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
Assignee:
United States of America as represented by United States Energy (Washington, DC)
Patent Number(s):
US 4018663
OSTI ID:
862811
Country of Publication:
United States
Language:
English

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Coal liquefaction process
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Related Subjects

/208/
applied
asphaltenes
catalytic
catalytic hydrogenation
characterized
coal
coal liquefaction
coal-oil
coal-oil slurry
conversion
crack
crude
desulfurization
diesel
diesel oil
enables
filtered
gasoline
hydrogenate
hydrogenated
hydrogenation
improved
improved coal
larger
liquefaction
liquefaction process
minerals
oil
operation
partial
partially
partially hydrogenated
prior
process
produce
produce larger
provided
refinable
remove
slurry
subsequent
synthetic
synthetic crude
two-step
undergoes
yields