Corrosion (presentation)
Corrosion (presentation)
Corrosion (presentation)
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Dissolved O 2 Secondary Side<br />
•O2is corrosive particularly if Cl- is present<br />
• Three levels of removal<br />
– Air extraction<br />
– Deaerator<br />
– Hydrazine addition<br />
• Environmental hazard<br />
– chemicals discharged in boiler blow off
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