TWO-STAGE COAL LIQUEFACTION

Disclosed is a two-stage process for the production of clean liquid hydrocarbons from coal. In the process subdivided coal is dissolved in a process derived solvent at a temperature in the range 425 DEG C.-480 DEG C. The dissolver effluent is passed through a catalytic reactor operating under hydroc...

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Bibliographic Details
Main Authors CHRISTOPHER W. KUEHLER, ARTHUR J. DAHLBERG, JOEL W. ROSENTHAL
Format Patent
LanguageEnglish
Published 07.06.1984
Subjects
CHEMISTRY
CRACKING HYDROCARBON OILS
FUELS
LUBRICANTS
METALLURGY
MINERAL WAXES
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION
RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES
REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS
REFORMING OF NAPHTHA
TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Summary:Disclosed is a two-stage process for the production of clean liquid hydrocarbons from coal. In the process subdivided coal is dissolved in a process derived solvent at a temperature in the range 425 DEG C.-480 DEG C. The dissolver effluent is passed through a catalytic reactor operating under hydrocracking conditions, including a temperature in the range 340 DEG C.-400 DEG C. to produce normally liquid products and recycle solvent. The solvent is further cooled to precipitate unconverted heptane insolubles prior to recycle to the dissolution stage.
Bibliography:Application Number: AU19800060449