Advance Scale Control Technology For Cooling Water Systems

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Polymer Dosage as Function of TemperatureTreatment Program: Stabilized PhosphateStandard <strong>Water</strong> Conditions: 600 ppm Ca, 300 ppm Mg, pH 7.215 ppm o-PO 4 , 3 ppm pyro-PO 4 , 1.2ppm HRA120°F (49°C) Bulk TempTest pH SurfaceTemp., o FPolymerPolymerDosage, ppmTurbidity,NTUDelta ppmPO4Heat Exchanger TubeAppearance1 7.2 130 SAA 4 0.32 0.12 7.2 130 STP 2 0.35 0.1Surface free of depositsSurface free of deposits3 7.2 140 SAA 6 0.5 0.24 7.2 140 STP 3 0.1 0.1Surface free of depositsSurface free of deposits5 7.2 160 SAA 8 0.2 0.16 7.2 160 STP 4 0.4 0.4Uniform Ca-PO 4 depositSurface free of deposits32 /GE /
High TemperatureTreatment Program: Stabilized PhosphateStandard <strong>Water</strong> Conditions: 600 ppm Ca, pH 7.2, 15 ppm o-PO 4 , 3 ppmpyro-PO 4 ,160°F (70°C) Surface Temperature4 ppm STP - Surface free of Deposits8 ppm SAA - Uniform CaPO 4 Deposit33 /GE /
Page 1 and 2: Advance Scale ControlTechnology For
Page 3 and 4: Cooling Systems ProblemsScaleMicrob
Page 5 and 6: Scale formationDissolved AtomsNucle
Page 7 and 8: Factors Affecting Scale formation
Page 9 and 10: pH9 /GE /
Page 11 and 12: Water Velocity11 /GE /
Page 13 and 14: Scale Inhibition & Control• Chang
Page 15 and 16: Polymeric Scale Dispersant• PAA (
Page 17 and 18: Stress Tolerant Polymer (STP) -Over
Page 19 and 20: % PO4 InhibitionCalcium Phosphate I
Page 21 and 22: % Zn Inhibition% PO4 InhibitionZinc
Page 23 and 24: NTUDynamic Iron Oxide Dispersion Te
Page 25 and 26: Bench Top Recirculating Unit - BTU2
Page 27 and 28: Polymer Dosage as Function of pHTre
Page 29 and 30: ppmppm1816141210Effect of pH Excurs
Page 31: 200 ppm Clay TestAlkaline pH Progra
Page 35 and 36: TrueSense Online Dynamic Laboratory
Page 37 and 38: Case HistoryEuropean plastics produ

Advance Scale Control Technology For Cooling Water Systems

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