A safe and cost effective alternative to the use of sodium hydroxide (caustic soda) or other chemicals for wastewater alkalinity and pH adjustment.
Find out more about AMALGAMAdd or remove alkalinity
Add or remove dissolved CO2
Note: in a treatment plant CO2 generation is a ‘given’ as BOD/COD is oxidized to CO2
=> pH will always come down spontaneously even if we dose all influent to >pH 8.5
=> system self-corrects – high pH influent can’t upset the plant unless greatly overdosed
=> excess CO2 generation is normally stripped by aeration
There is a direct correlation, but pH and alkalinity are not the same.
pH is a measure of the amount of hydrogen ions (H+, acid) in the water.
M Alkalinity is a measure of the bicarbonate (HCO3–) concentration.
Think of M Alkalinity and bicarbonate as dissolved limestone (CaCO3).
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