Process for nitrogen oxides reduction and minimization of the production of other pollutants

  • US 4,780,289 A
  • Filed: 05/14/1987
  • Issued: 10/25/1988
  • Est. Priority Date: 05/14/1987
  • Status: Expired due to Term
First Claim
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1. A process for reducing the concentration of nitrogen oxides in an effluent from the combustion of a carbonaceous fuel while minimizing the production of other pollutants, the process comprising:

  • a. determining the condition of the effluent which exists at a location for introduction of a treatment agent;

    b. effecting a treatment regimen which comprises introducing a treatment agent into the effluent to treat the effluent to reduce the nitrogen oxides concentration in the effluent under said determined effluent conditions while minimizing the production of other pollutants;

    c. monitoring the condition of the effluent until a significant alteration in the condition of the effluent is observed;

    d. adjusting said treatment regimen by varying at least one of the following parameters(i) dilution and introduction rate of said treatment agent;

    (ii) components of said treatment agent; and

    (iii) relative presence of treatment agent components,to effect an adjusted treatment regiment, wherein said adjusted treatment regimen reduces the nitrogen oxides concentration in the effluent under said altered effluent condition while minimizing the production of other pollutants.

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