In: Civil Engineering
A rapid mixing basin is to be designed for a drinking water coagulation plant with a 5 MGD flow. The geometry of the basin is square with a depth equal to 1.5 times the width. The velocity gradient is 950 s·1 with a detention time of 25 s.
Calculate
a) The basin dimensions using minimum increments of 1"
b) The input hp required
c) The impeller speed with six flat blades employed and a baffled tank given that the impeller diameter is 50% of the basin width
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