Apparatus for the Purification of Exhaust Gases containing NOx
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United States of America Patent
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Issued Date -
Apr 12, 2012
app pub date -
Jun 11, 2010
filing date -
Jul 1, 2009
priority date (Note) -
Abandoned
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Abstract
An apparatus (1) for the purification of an exhaust gas stream (2) containing NOx, includes a passage (3) through which a reactant (4) containing NH3 can flow, wherein the passage (3) has a jacket element (5), which surrounds the passage (3), and an inlet opening (6) for the supply of the reactant (4) containing NH3 and an outlet opening (7). The exhaust gas stream (2) containing NOx can flow around the jacket element (5) wherein a distributor element (8) for the distribution of the reactant (4) containing NH3 can be connected to the jacket element (5) so that the reactant (4) containing NH3 can be introduced into the exhaust gas stream (2) by means of the distributor element (8) and can be mixed with the exhaust gas stream (2). The distributor element (8) has an opening (9) through which the reactant (4) containing NH3 can be introduced into the exhaust gas stream (2) as a gaseous phase, wherein the reactant (4) containing NH3 can be vaporized within the jacket element (5). The jacket element (5) includes a heat transferring element (10) so that the jacket element (5) can be heated by means of the exhaust gas stream (2).
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