Boiler Catalyzed Oxygen Scavenger is of various types depending upon the type and capacity of the boiler. The Oxygen Scavenger can be based on catalyzed sodium sulfite, catalyzed potassium sulfite, catalyzed sodium bisulfite, catalyzed hydrazine hydrate, carbohydrazide etc. The Boiler Catalyzed Oxygen Scavenger enables quick and instant removal of oxygen from the feed water. The Boiler Catalyzed Oxygen Scavenger removes oxygen and also passivates the system metal to prevent corrosion.