Thermal coal upgrading process
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United States of America Patent
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Issued Date -
Feb 19, 2009
app pub date -
Jan 11, 2007
filing date -
Jan 17, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for thermally upgrading coal in a vertical processor wherein the coal is gravity fed and a heated inert gas is introduced into the processor. The temperature of the gas, the size of the coal and the rate of movement of the coal are controlled to efficiently remove moisture from the coal and to not remove volatile organic compound.
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