Advance Scale Control Technology For Cooling Water Systems
Advance Scale Control Technology For Cooling Water Systems
Advance Scale Control Technology For Cooling Water Systems
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Polymer Dosage as Function of pHTreatment Program: Stabilized PhosphateStandard <strong>Water</strong> Conditions: 600 ppm Ca, 300 ppm Mg, 15 ppm o-PO 4 ,3 ppm pyro-PO 4 , 1.2 ppm HRA, 120°F (49°C) BulkTempTest pH SurfaceTemp., O FPolymerPolymerDosage,ppmTurbidity,NTUDeltappm PO 41 7.2 130 SAA 4 0.32 0.1Heat Exchanger TubeAppearanceSurface free of deposits2 7.2 130 STP2 0.35 0.13 7.4 130 SAA 8 0.3 0.34 7.4 130 STP40.3 0.45 7.6 130 SAA 13 0.5 0.56 7.6 130 STP80.5 0.57 7.8 130 SAA 18 0.7 0.6Surface free of depositsSurface free of depositsSurface free of depositsSurface free of depositsSurface free of depositsSurface free of deposits8 7.8 130 STP12 0.9 0.2 Surface free of deposits27 /GE /
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