Reduction of NOx emissions

A method for reducing the NOx emissions from a CO boiler wherein the gases added to the CO boiler comprise flue gas from a fluid catalytic cracker regenerator operated in partial burn mode and at least part of a NO containing exhaust gas stream from the same and/or a different CO boiler. When recycl...

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Bibliographische Detailangaben
Hauptverfasser:	TROND MYRSTAD, GEIR REMO FREDRIKSEN
Format:	Patent
Sprache:	eng
Schlagworte:	AIR BLASTING CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES CRACKING HYDROCARBON OILS FUELS HEATING LIGHTING LUBRICANTS MECHANICAL ENGINEERING METALLURGY METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method for reducing the NOx emissions from a CO boiler wherein the gases added to the CO boiler comprise flue gas from a fluid catalytic cracker regenerator operated in partial burn mode and at least part of a NO containing exhaust gas stream from the same and/or a different CO boiler. When recycling gases from the same CO boiler a recycle line is provided from the exhaust of the boiler to the input line of the same boiler.