Hybrid process for nitrogen oxides reduction
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United States of America Patent
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Sep 10, 1991
Grant Date -
N/A
app pub date -
Aug 18, 1989
filing date -
Aug 18, 1989
priority date (Note) -
Expired
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Abstract
The invention presented is a process for reducing the nitrogen oxides concentration in the effluent from the combustion of a carbonaceous fuel. The inventive process comprises introducing into the effluent an oxygenated treatment agent which includes an oxygenated hydrocarbon under conditions effective to oxidize nitric oxide in the effluent to nitrogen dioxide and to produce ammonia; and contacting the effluent with an aqueous absorbing solution having a component capable of causing nitrogen dioxide to be absorbed into the solution.
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