GATE CE · 2024 · ce-1
Question 61: Water and Waste Water Quality and Treatment
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Question 61
ce-1NAT2 marksNeeds review
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, O-16.
The quantity of pure quick lime, CaO (in kg) required for this process per day is__________ (rounded off to 2 decimal places).
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2024ce-1
GATE CE 2024 · Paper 1
Civil Engineering · Original paper archive
- Section
- Section ce-1
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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