Coal liquefaction process

Patent · Sat Jan 01 00:00:00 EST 1983

OSTI ID:864520

Carr, Norman L ^[1]; Moon, William G ^[2]; Prudich, Michael E ^[3]

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1. Allison Park, PA
2. Cheswick, PA
3. Pittsburgh, PA

A C.sub.5 -900.degree. F. (C.sub.5 -482.degree. C.) liquid yield greater than 50 weight percent MAF feed coal is obtained in a coal liquefaction process wherein a selected combination of higher hydrogen partial pressure, longer slurry residence time and increased recycle ash content of the feed slurry are controlled within defined ranges.

• Research Organization: Pittsburgh and Midway Coal Mining Co
• DOE Contract Number: ET-78-C-01-3055
• Assignee: Pittsburg & Midway Coal Mining Co. (Englewood, CO)
• Patent Number(s): US 4377464
• OSTI ID: 864520
• Country of Publication: United States
• Language: English

Related Subjects

coal
liquefaction
process
-900
degree
-482
liquid
yield
50
weight
percent
maf
feed
obtained
selected
combination
hydrogen
partial
pressure
slurry
residence
time
increased
recycle
ash
content
controlled
defined
ranges
slurry residence
hydrogen partial
feed slurry
residence time
liquefaction process
weight percent
coal liquefaction
partial pressure
feed coal
ash content
liquid yield
/208/