Method for zonal injection of chemicals into a furnace convective pass to reduce pollutants from flue gases

Method for zonal injection of chemicals into a furnace convective pass to reduce pollutants from flue gases

Zonal injection of varying compositions of chemicals, particularly an ammonia-based reagent and hydrocarbon, through injection lances arranged in a grid formation to define planar zones in a furnace convective pass of a furnace. The supply of chemicals is controlled so as to be individually determin...

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Bibliographische Detailangaben
Hauptverfasser: Arrol, Stuart, Melling, Peter, Yates, George Anthony, Smith, Michael J, Hesselmann, Gerard J. W. C, Lefebvre, Barbara, Macphail, John, Morris, Keith W
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Zonal injection of varying compositions of chemicals, particularly an ammonia-based reagent and hydrocarbon, through injection lances arranged in a grid formation to define planar zones in a furnace convective pass of a furnace. The supply of chemicals is controlled so as to be individually determined for each discrete zone of the grid depending on conditions in that zone.