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US8057738 - US7955553 -  US7708939 - US7517493 - US7127148 -  US6998092 - US6949193 - US6929749 - EP1704123 - CA2547907 - IA249812 - AU070840
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Performance Studies
 
High TDS Corrosion Study
Untreated Seawater versus
Silica Treated Cooling Tower Water
 
  • High TDS (Seawater) inhibitor study
  • Untreated seawater - 35,000 TDS (25°C)
  • Inhibited Water - 50,000 TDS (88°C)
  • Silica prevented MS and 316L attack at 88°C
  • Seawater very corrosive to MS even at 25°C
 
Industrial Cooling Tower
Mild Steel Corrosion Study
 
  • 60 day MS corrosion rate was 0.2 MPY
  • Slight corrosion only under coupon mount
  • Tower water at 65,000 TDS (80 COC)
  • Chloride 5000 Mg/L, Sulfate 8000 Mg/L
 
High Temperature Inhibitor Study
Mild Steel in High TDS Water
  • Temperatures from 25 to 88°C (77-190° F)
  • Silica inhibited water at 50,000 TDS
  • MS general corrosion < 0.3 mpy at 88°C
 
  • MS localized (pitting) < 2 mpy at 88°C (190° F)
  • Silica inhibitor will permit use of MS in
    high temperature exchanger applications
       
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