Corrosion (presentation)

More documents

Recommendations

Info

General <strong>Corrosion</strong> Control • Eliminate oxygen • Eliminate chloride ion • Maintain pH levels • Prevent stagnation • Chlorinate
SOLUBILITY OF Fe 3O 4 (µg Fe/kg H 2O) 10 8 6 4 2 HTS pH Control pH 9.3 0 225 240 255 270 285 300 TEMP. ( °C ) inner zone PNGS BNGS-A pH 9.7 outer zone Reactor Inlet Header pH 10.2 PNGS BNGS-A Reactor Outlet Header
Page 1 and 2: Corrosion
Page 3 and 4: Uniform Corrosion • Can be a good
Page 5 and 6: Galvanic Corrosion • Chemical rea
Page 7 and 8: Cathodic Protection • Each metal
Page 9 and 10: Pitting and Crevice Corrosion Elect
Page 11 and 12: Erosion Corrosion • Flow removes
Page 13: Microbiologically Induced • Bacte
Page 17 and 18: Dissolved Oxygen HTS • Oxygen is
Page 19 and 20: pH Secondary Side • pH controlled
Page 21 and 22: Conductivity Secondary Side • Con
Page 23 and 24: Moderator Over Poisoned • pH 4-6
Page 25 and 26: Flakes Sludge and Scale Scale Boile

Corrosion (presentation)

Create successful ePaper yourself

Delete template?

Save as template?