4) The following data were obtained from a settling test in a 3 m cylinder. The...

 

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4) The following data were obtained from a settling test in a 3 m cylinder. The initial solids concentration was 3600 mg/L. Determine the thickener are required to reach an underflow concentration Cu of 11,000 mg/L with a flowrate of 1500 m/d. Time, min Height of interface, m 0 3.0 5 2.2 10 1.6 20 1.0 30 0.7 40 0.5 50 0.4 60 0.32 4) The following data were obtained from a settling test in a 3 m cylinder. The initial solids concentration was 3600 mg/L. Determine the thickener are required to reach an underflow concentration Cu of 11,000 mg/L with a flowrate of 1500 m/d. Time, min Height of interface, m 0 3.0 5 2.2 10 1.6 20 1.0 30 0.7 40 0.5 50 0.4 60 0.32