Design a rectangular sedimentation tank to treat 2.4 million litres of raw water per day. The detention period may be assumed to be 3 hours. Find overflow rate?

Design a rectangular sedimentation tank to treat 2.4 million litres of

1.	Design a rectangular sedimentation tank to treat 2.4 million litres of raw water per day. The detention period may be assumed to be 3 hours. Find overflow rate?
A.	28,000 l/d/m<sup>2</sup>
B.	12,000 l/d/m<sup>2</sup>
C.	24,000 l/d/m<sup>2</sup>
D.	4,670 l/d/m<sup>2</sup>
Answer» D. 4,670 l/d/m<sup>2</sup>