Pipeline transportation of coarse coal-liquid carbon dioxide slurry
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United States of America Patent
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Jan 26, 1988
Grant Date -
N/A
app pub date -
Sep 3, 1985
filing date -
Sep 3, 1985
priority date (Note) -
Expired
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Abstract
A method and composition are provided for transporting coarse particles of coal in a dense liquid CO.sub.2 media. The dense media contains fine particles of densifying material such as coal or magnetite which form a suspension in the liquid CO.sub.2. The suspension is capable of supporting large particles of coal for transportation in a liquid CO.sub.2 slurry pipeline. Use of the dense media allows the pumping of the coarse coal particles at slower velocities than if the fine densifying particles were not present.
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