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You have been assigned the job of designing a rapid mix tank for a new water...


You have been assigned the job of designing a rapid mix tank for a new water treatment plant. The design flow rate is 1.0 m3/sec. The average water temperature is 10 oC. The following design assumptions have been made:

1. Number of tanks = 1 (with 1 backup)
2. Tank configuration: Circular with liquid depth of 1.0m.
3. Detention time = 40 sec.
4. Velocity gradient = 750 s-1

Design the rapid mix by providing the following:

a) Water power input in kW
b) Tank dimensions, in m.

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