Coal liquefaction process with enhanced process solvent

Patent · Tue Jul 24 00:00:00 EDT 1984

OSTI ID:6189797

Givens, E N; Kang, D

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.

• Assignee: International Coal Refining Co.
• Patent Number(s): US 4461694
• OSTI ID: 6189797
• Resource Relation: Patent File Date: Filed date 1 Dec 1982; Other Information: PAT-APPL-445798
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL
DEASHING
COAL LIQUEFACTION
SOLVENTS
RECYCLING
OPTIMIZATION
PROCESS SOLUTIONS
SOLVENT-REFINED COAL
CARBONACEOUS MATERIALS
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
LIQUEFACTION
MATERIALS
MIXTURES
SOLUTIONS
THERMOCHEMICAL PROCESSES
010405* - Coal
Lignite
& Peat- Hydrogenation & Liquefaction