Plant for the reduction of nitrogen oxide in furnace waste gases
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United States of America Patent
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Sep 29, 1998
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N/A
app pub date -
Mar 13, 1997
filing date -
Apr 28, 1993
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Abstract
A plant for the reduction of nitrogen oxide in furnace waste gases includes a furnace, a reactor serving for selective catalytic reduction, and a regenerative heat exchanger to be used for air preheaters as well as for gas preheaters for the treatment of pollutant-containing waste gases which are in a heat exchange with another medium. The regenerative heat exchanger has stationary or revolving storage masses which are composed at least partially of catalytic material. A reduction agent is supplied to the regenerative heat exchanger. The reactor is arranged concentrically above the regenerative heat exchanger. Preferably, the reactor is placed directly onto the housing of the heat exchanger.
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