What is the minimum detention time in hours to settle out

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Reference no: EM13559223

1.In Chlorine disinfection (3-log reduction in Giardia- Cysts), determine the water pH for a contact time of 90 minutes using a chlorine concentration of 2 mg/L at 20 degrees C

2.The settling velocity of alum floc in a sedimentation basin is approximately 0.0014 fps. 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 10 ft.

3.Characterize the risk for a chronic daily exposure by the water pathway (oral) of 1.43 x10^-4mg/kg/d of tetrachloroethylene, 1.43 x 10^-3 mg/kg/d of arsenic, and 1.2 x 10^-4 mg/kg/d of cadmium.

Reference no: EM13559223

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What is the minimum detention time in hours to settle out : The settling velocity of alum floc in a sedimentation basin is approximately 0.0014 fps. 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 10 f..

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