The settling velocity of alum floc is approximately 0.0014 fps in water at 10℃. Calculate the equivalent overflow rate in gpd/ft2. What is the minimum detention time in hours to settle out the alum floc in an ideal basin with a depth of 12 ft.

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Answer 1

Answer #1

Calculate the velocity of particle: Q-AV 0.0014ft 86400s 1s day 120.96ft day 120.96ft ft 2 х day 120.96ft3 7.4 ftx day 1ft 8

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The settling velocity of alum floc is approximately 0.0014 fps in water at 10℃. Calculate the equivalent overflow rate in gpd/ft2. What is the minimum detention time in hours to settle out the alum floc in an ideal basin with a depth of 12 ft.

The settling velocity of alum floc is approximately 0.0014 fps in water at 10℃. Calculate the equivalent overflow rate in gpd/ft2. What is the minimum detention time in hours to settle out the alum floc in an ideal basin with a depth of 12 ft.
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