Method and apparatus for enhanced mercury removal
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United States of America Patent
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Mar 27, 2012
Grant Date -
Feb 11, 2010
app pub date -
Jun 19, 2007
filing date -
Jun 19, 2006
priority date (Note) -
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Abstract
A method and apparatus for treating a coal combustion flue gas. In one embodiment, the method includes injecting a halogen into a flue gas, and injecting partially combusted, carbon enriched alkaline coal ash solid particles into the flue gas ahead of a particulate collection device. In another embodiment, the method includes exposing partially combusted, carbon enriched alkaline coal ash solid particles to a halogen containing atmosphere, and injecting the halogen atmosphere treated alkaline carbon containing solid particles into the flue gas ahead of a particulate collection device.
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