• Waterworks of a town treat 35 x 106 litres/day. The water is treated by coagulation-sedimentation tanks. The quantity of filter alum is consumed at 20 mg/litres of water. If the alkalinity of the raw water is equivalent to 4.5 mg/litre of CaCO3, determine the quantity of filter alum and the quick lime (containing 80% of CaO) required per month by the water works. Molecular weights are given as [Ca = 40, C = 12, S = 32, 0 = 16, Al = 27 and H=1]
• Waterworks of a town treat 35 x 106 litres/day. The water is treated by coagulation-sedimentation tanks. The quantity of filter alum is consumed at 20 mg/litres of water. If the alkalinity of the raw water is equivalent to 4.5 mg/litre of CaCO3, determine the quantity of filter alum and the quick lime (containing 80% of CaO) required per month by the water works. Molecular weights are given as [Ca = 40, C = 12, S = 32, 0 = 16, Al = 27 and H=1]
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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