Preparation of slightly hydrogenated coal

Technical Report · Mon May 03 04:00:00 EDT 1943

OSTI ID:5921597

Rank, V

Processes serving as producers of slightly hydrogenated coal are discussed. It was established that the working process of an extracting hydrogenation from coal alone did not present optimal conditions for production of slightly hydrogenated coal, and therefore led to unfavorably high costs. More favorable operating costs were expected with the use of larger amounts of gas or with simultaneous production of asphalt-free oils in larger quantity. The addition of coal into the hydrogenation of low temperature carbonization tars made it possible to produce additional briquetting material (slightly hydrogenated coal) in the same reaction space without impairment of the tar hydrogenation. This was to lower the cost still more. For reasons of heat exchange, the process with a cold separator was unfavorable, and consideration of the residue quality made it necessary to investigate how high the separator temperature could be raised. 3 tables.

• Research Organization: I.G. Farbenindustrie, A.G., Ludwigshafen (Germany)
• OSTI ID: 5921597
• Report Number(s): TOM-256-317-323
• Country of Publication: United States
• Language: German

Related Subjects

01 COAL, LIGNITE, AND PEAT
010403* -- Coal & Coal Products-- Hydrogenation-- (-1987)
ASPHALTS
BINDERS
BITUMENS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL TAR
COST
ENERGY SOURCES
ENERGY TRANSFER
FOSSIL FUELS
FUELS
GERMANY
HEAT TRANSFER
HYDROGENATION
LIQUEFACTION
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PITCHES
POTT-BROCHE PROCESS
PRODUCTION
TAR
THERMOCHEMICAL PROCESSES
UHDE-PFIRRMANN PROCESS