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M&M I-Practice

Sedimentation Tank Math

 

The flow through your plant is 15 mgd.  The flow is split evenly between two equal-sized sedimentation tanks.  Each tank has a 75 feet diameter, a SWD of 8 feet, and they are 12 feet deep in the center.

 

1. The circumference of a sedimentation tank is ________ feet.

 

 

2. The surface area of a sedimentation tank is ________ square feet.

 

 

3. The volume of a sedimentation tank is ________ cubic feet.

 

 

4. A sedimentation tank holds  ______ gallons.

 

 

5. The detention time of a sedimentation tank is _______ minutes.

 

 

6. The detention time of a sedimentation tank is _______ hours.

 

 

7. The surface settling rate of a sedimentation tank is _______ gpd/square foot

 

 

8. The weir overflow rate of a sedimentation tank is ________ gpd/ft

 

 

Solutions to I-Practice Sedimentation Tank Math

 

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