Boiler Water Dissolved Oxygen (DO) conc

[kenngy]

Why is ABMA dont have any standard parameter in the oxygen concentration of boiler water? We are deaerating the feedwater yet we dont know if its already ok.

kenngy

 

[davefitz]

You might want to call one of the ABMA reps on the committee and ask.

Specifically intermso f O2, th elatest EPRI and EU guidelines for drum type boilers may be at odds with long time historical recommendations, as might be found in O+M manuals. latest research shows that excesss hydrazibne used to get zero ppb O2 is actually deleterious to FAC flow assisted corrosion- lates recopmmendations may recommened 1-5 ppb O2 residual to ensure no excess hydrazine.- see EPRI