Method of removal of nitrogen oxides, particularly for use in cement raw material burning installation

The present invention discloses a method of removal of nitrogen oxides, particularly for the use in a cement raw material burning installation, said method comprising the step of introducing the reduction agent for the removal of nitrogen oxides into the zone, where is heated to about to 800 DEG to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI, TOSHIHIRO, KAWAI, ZENZABURO, YAMAMOTO, YOSHIMI, MORI, HITOAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES RETORTS SEPARATION SLAG TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	The present invention discloses a method of removal of nitrogen oxides, particularly for the use in a cement raw material burning installation, said method comprising the step of introducing the reduction agent for the removal of nitrogen oxides into the zone, where is heated to about to 800 DEG to 1,100 DEG C of a duct connecting between a furnace such as a rotary kiln and the lowermost cyclone of a suspension type heater system, thereby removing nitrogen oxides produced in the burning furnace.