Process for the dehydration and liquefaction of water-containing coal
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United States of America Patent
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Aug 17, 1982
Grant Date -
N/A
app pub date -
Mar 30, 1981
filing date -
Apr 15, 1980
priority date (Note) -
Expired
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Abstract
In a process wherein a slurry of water-containing coal and a solvent is heated to 100.degree.-350.degree. C. and then subjected to vapor-liquid separation by which water vapor is separated from the slurry to obtain a dehydrated slurry, a slurry to be dehydrated is mixed with a part of the dehydrated slurry and then heated. The dehydrated slurry thus obtained is suitable for use as a starting material for the hydrogenolysis of coal.
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