Fluid fuel from coal and method of making same
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United States of America Patent
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Aug 9, 1988
Grant Date -
N/A
app pub date -
Sep 5, 1986
filing date -
Sep 5, 1986
priority date (Note) -
Expired
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Abstract
Coal is gasified to produce carbon monoxide which is converted to carbon by a reverse Boudouard reaction 2CO.fwdarw.CO.sub.2 +C The carbon dioxide is recycled and reacted with coal to create more carbon monoxide by the Boudouard reaction CO.sub.2 +C.fwdarw.2CO The resulting carbon is recovered and mixed with a liquid to form a liquid slurry of particulate carbon which is useful as a liquid fuel. The liquid may be water or hydrocarbonaceous liquids. The process optimizes recovery of carbon from coal in a usable form, substantially free of sulfur, hydrogen, ash and nitrogen.
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