COAL DRYING METHOD AND SYSTEM
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United States of America Patent
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Issued Date -
Oct 13, 2011
app pub date -
Jun 24, 2011
filing date -
Oct 1, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a method and system for drying coal using activated alumina. The method and system dries the coal by combining coal with the activated alumina. While in combination, the mixture is agitated to maximize surface contact between the activated alumina and the coal. As the coal contact the activated alumina, the surfactant moisture on the coal is then absorbed by the activated alumina. The activated alumina allow for the water molecules to pass into the sieves, thus being removed from the coal. After a period of agitation, the method and system thereby separates the activated alumina and the coal.
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