Catalytic process for reducing nitrogen oxides in flue gases and reducing agent composition
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United States of America Patent
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Sep 29, 2009
Grant Date -
Jul 6, 2006
app pub date -
Feb 4, 2004
filing date -
Feb 4, 2003
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Abstract
The invention relates to a catalytic process for reducing nitrogen oxides in flue gases, in which process a reducing agent containing composition is mixed with flue gas and the mixture achieved is brought into contact with a catalyst. In accordance with the invention, the composition contains e.g. 1 to 60% of weight of ammonium formate. Especially a low freezing point can be achieved with such water containing composition. In addition, a good reduction conversion is achieved even at low temperatures.
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