Question: 8 . 5 Jar testing was performed using alum on a raw drinking - water source that contained an initial turbidity of 2 0 NTU

8.5 Jar testing was performed using alum on a raw drinking-water source that contained an initial turbidity of 20 NTU and an alkalinity of 35
mgL as CaCO3. The optimum coagulant dosage was determined as 18mgL with a final turbidity of 0.25 NTU. Determine the quantity of
alkalinity consumed as CaCO3.
8 . 5 Jar testing was performed using alum on a

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