Coal liquefaction

Patent · Tue Jan 01 00:00:00 EST 1985

OSTI ID:865476

Schindler, Harvey D ^[1]

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1. Fairlawn, NJ

In a two-stage liquefaction wherein coal, hydrogen and liquefaction solvent are contacted in a first thermal liquefaction zone, followed by recovery of an essentially ash free liquid and a pumpable stream of insoluble material, which includes 850.degree. F.+ liquid, with the essentially ash free liquid then being further upgraded in a second liquefaction zone, the liquefaction solvent for the first stage includes the pumpable stream of insoluble material from the first liquefaction stage, and 850.degree. F.+ liquid from the second liquefaction stage.

• Research Organization: C E LUMMUS
• DOE Contract Number: AC02-79ET14804
• Assignee: Lummus Company (Bloomfield, NJ)
• Patent Number(s): US 4522700
• OSTI ID: 865476
• Country of Publication: United States
• Language: English

Related Subjects

coal
liquefaction
two-stage
hydrogen
solvent
contacted
thermal
zone
followed
recovery
essentially
ash
free
liquid
pumpable
stream
insoluble
material
850
degree
upgraded
stage
liquefaction solvent
liquefaction zone
coal liquefaction
thermal liquefaction
free liquid
stage liquefaction
two-stage liquefaction
insoluble material
soluble material
ash free
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