Process and apparatus for reducing the content of nitrogen oxides
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United States of America Patent
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Jan 19, 2016
Grant Date -
Oct 15, 2015
app pub date -
Dec 2, 2011
filing date -
Jun 9, 2011
priority date (Note) -
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Abstract
The invention provides a process for treating nitrogen oxide-containing offgases from industrial processes, e.g. flue gases, for the purposes of removing and/or separating out the nitrogen oxides and/or for the purposes of reducing the nitrogen oxide content by means of chemical reduction of the nitrogen oxides, in particular a process for the removal of nitrogen oxides from offgases from industrial plants, wherein at least two different nitrogen-containing reducing agents are brought into contact with the nitrogen oxide-containing offgases or introduced into the stream of the nitrogen oxide-containing offgases. The present invention further provides an apparatus (plant) for carrying out this process.
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