Methods and devices for reducing hazardous air pollutants
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United States of America Patent
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Aug 9, 2011
Grant Date -
Mar 26, 2009
app pub date -
Sep 18, 2008
filing date -
Sep 19, 2007
priority date (Note) -
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Abstract
The disclosure provides methods and systems for sequestering and/or reducing sulfur oxides, nitrogen oxides and/or carbon dioxide present in industrial effluent fluid streams. A solid particulate material comprising a slag component, a binder component (distinct from the slag component), and optionally water is formed and then contacted with the effluent fluid stream to reduce at least one of the sulfur oxides, nitrogen oxides, and/or carbon dioxide. The contacting of the effluent stream may occur in a packed bed reactor with the solid dry particulate material. Methods of reducing pollutants from exhaust generated by combustion sources, lime and/or cement kilns, iron and/or steel furnaces, and the like are provided.
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