METHOD FOR REMOVING NITROGEN OXIDES

This method for removing nitrogen oxides brings exhaust gas containing oxygen and at least one nitrogen oxide selected from the group consisting of nitrogen monoxide and nitrogen dioxide into contact with ammonia without the presence of a catalyst for at least 0.5 seconds under a temperature of no l...

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Bibliographische Detailangaben
Hauptverfasser:	AKIYAMA KATSUYA, YAMASHITA TAKESHI, MIZUTANI NORIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	This method for removing nitrogen oxides brings exhaust gas containing oxygen and at least one nitrogen oxide selected from the group consisting of nitrogen monoxide and nitrogen dioxide into contact with ammonia without the presence of a catalyst for at least 0.5 seconds under a temperature of no less than 900°C and breaks down the nitrogen oxide. According to this method it is possible to remove nitrogen oxides in a highly efficient manner and significantly reduce the amount of unreacted ammonia.