Prevention of deleterious deposits in a coal liquefaction system

Patent · Tue Jul 03 00:00:00 EDT 1984

OSTI ID:865070

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

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

A process for preventing the formation of deleterious coke deposits on the walls of coal liquefaction reactor vessels involves passing hydrogen and a feed slurry comprising feed coal and recycle liquid solvent to a coal liquefaction reaction zone while imparting a critical mixing energy of at least 3500 ergs per cubic centimeter of reaction zone volume per second to the reacting slurry.

• Research Organization: Pittsburg & Midway Coal Mining Co.
• DOE Contract Number: AC01-79ET10104
• Assignee: Pittsburg & Midway Coal Mining Co. (Englewood, CO)
• Patent Number(s): US 4457826
• Application Number: 06/341,547
• OSTI ID: 865070
• Country of Publication: United States
• Language: English

Related Subjects

prevention
deleterious
deposits
coal
liquefaction
process
preventing
formation
coke
walls
reactor
vessels
involves
passing
hydrogen
feed
slurry
comprising
recycle
liquid
solvent
reaction
zone
imparting
critical
mixing
energy
3500
ergs
cubic
centimeter
volume
reacting
reactor vessels
cubic centimeter
slurry comprising
feed slurry
reactor vessel
coal liquefaction
reaction zone
liquid solvent
feed coal
liquefaction reactor
involves passing
comprising feed
/208/