Question: A settling tank for a municipal water supply is 2.5 m deep, and 20°C water flows through continuously at 35 cm/s. Estimate the minimum length

A settling tank for a municipal water supply is 2.5 m deep, and 20°C water flows through continuously at 35 cm/s. Estimate the minimum length of the tank which will ensure that all sediment (SG =2.55) will fall to the bottom for particle diameters greater than
(a) 1 mm and
(b) 100 μm. Fig P7.72

U = 35 cm/s 2.5 m

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For water at 20C take 998 kgm3 and 0001 kgm s The particles travel with the stream flow U 35 cms no ... View full answer

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