SYSTEM AND METHOD FOR PROTECTION OF SCR CATALYST AND CONTROL OF MULTIPLE EMISSIONS

SYSTEM AND METHOD FOR PROTECTION OF SCR CATALYST AND CONTROL OF MULTIPLE EMISSIONS

595507 Disclosed is a method for increasing the active life of an selective catalytic reduction catalyst, the method comprising the steps of: (a) providing at least one kaolin-bearing compound to a combustion zone or flue gas stream of a furnace, or boiler, prior to entry of the flue gas into an SCR...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: GHORISHI BEHROOZ S
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:595507 Disclosed is a method for increasing the active life of an selective catalytic reduction catalyst, the method comprising the steps of: (a) providing at least one kaolin-bearing compound to a combustion zone or flue gas stream of a furnace, or boiler, prior to entry of the flue gas into an SCR; and (b) permitting the at least one kaolin-bearing compound to react with any gaseous potassium and/or sodium compounds, or potassium- and/or sodium containing compounds present in the combustion zone or flue gas prior to the entry of the flue gas into the SCR.