Chemical removal is the last opportunity to prevent oxygen entering the boiler. Nalco provides combination of liquid and solid chemical scavengers and passivators that not only prevent oxygen ingress but also help form a filming barrier that further prevents oxygen attack. Nalco solutions also have required regulatory approvals for applications where steam is used for direct food contact (FDA applications)
Nalco Oxygen Scavengers
• ELIMIN-OX™
• SUR-GARD™
• Various blends of powder and liquid sulfite suitable for your application