The Secrets of Breakpoint Chlorination - Wisconsin Department of ...
The Secrets of Breakpoint Chlorination - Wisconsin Department of ...
The Secrets of Breakpoint Chlorination - Wisconsin Department of ...
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Combined Chlorine<br />
Why would you want to ADD ammonia?<br />
� Chloramines still retain disinfect capability (~5% <strong>of</strong> FAC)<br />
� Chloramines not powerful enough to form THMs.<br />
� Last a lot longer in the mains than free chlorine,<br />
Free chlorine + Combined chlorine = Total Chlorine<br />
Residual<br />
Can measure “Total” Chlorine<br />
Can measure “Free” Chlorine<br />
Combined Chlorine can be determined by subtraction
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