A Low Phosphorus Cooling Water Treatment Program Solves Scaling and Corrosion Issues for Steel Mills
(Room 401)
06 May 19
10:30 AM
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11:00 AM
Most cooling water treatment programs utilize inorganic phosphate or polyphosphate-based chemistry for corrosion control and provide a source for calcium phosphate to be deposited on heat exchangers and cooling tower fill. The reduced-phosphorus program eliminates the need for calcium-phosphate scale inhibitor and reduces phosphorus. However, low and non-phosphorus programs often suffer from poor mild steel corrosion control, limited operation window and high treatment cost. NALCO Water developed a new low-phosphorous program to solve these challenges. This program is a blend of proprietary scale and corrosion inhibitors, providing excellent anodic and cathodic corrosion control of mild steel in a variety of water matrices, and it provides superior calcium carbonate inhibition and eliminates calcium phosphate scale.