Civil Engineering > GATE 2024 SET-1 > Water Treatment
A water treatment plant treats 25 MLD water with a natural alkalinity of 4.0 mg/L (as CaCO3). It is estimated that, during coagulation of this water, 450 kg/day of calcium bicarbonate (Ca(HCO3)2) is required based on the alum dosage.
Consider the atomic weights as: Ca-40, H-1, C-12, 0-16.
The quantity of pure quick lime, CaO (in kg) required for this process per day is _______. (rounded off to 2 decimal places).
Consider the atomic weights as: Ca-40, H-1, C-12, 0-16.
The quantity of pure quick lime, CaO (in kg) required for this process per day is _______. (rounded off to 2 decimal places).
Correct : 118.32
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